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Nguyen Duy Hung

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Problem 365. Numbers with prime factors 2, 3 and 5.

Created by: elias GR

Tags primes, factors

1

Solution

96

Size

1

Solution

96

Size

Problem 42455. Divisible by n, prime divisors - 11, 13, 17, & 19

Created by: goc3

Tags prime, string, precision

1

Solution

111

Size

1

Solution

111

Size

Problem 42508. Divisible by n, prime divisors from 20 to 200

Created by: goc3

Tags prime, string, precision

1

Solution

77

Size

1

Solution

77

Size

Problem 42509. Divisible by n, Truncated-number Divisors

Created by: goc3

Tags prime, string, precision

2

Solutions

63

Size

2

Solutions

63

Size

Problem 42510. Divisible by n, Composite Divisors

Created by: goc3

Tags prime, string, precision

4

Solutions

63

Size

4

Solutions

63

Size

Problem 42454. Divisible by n, prime divisors (including powers)

Created by: goc3

Tags prime, string, precision

5

Solutions

79

Size

5

Solutions

79

Size

Problem 42453. Divisible by n, prime vs. composite divisors

Created by: goc3

Tags prime, string, precision

5

Solutions

87

Size

5

Solutions

87

Size

Problem 42418. Divisible by 16

Created by: goc3

Tags string, precision, overflow

2

Solutions

50

Size

2

Solutions

50

Size

Problem 42417. Divisible by 15

Created by: goc3

Tags string, precision, overflow

1

Solution

73

Size

1

Solution

73

Size

Problem 42416. Divisible by 14

Created by: goc3

Tags string, precision, overflow

1

Solution

102

Size

1

Solution

102

Size

Problem 42415. Divisible by 13

Created by: goc3

Tags string, precision, overflow

1

Solution

71

Size

1

Solution

71

Size

Problem 42414. Divisible by 12

Created by: goc3

Tags string, precision, overflow

1

Solution

70

Size

1

Solution

70

Size

Problem 42340. Fibonacci Decomposition

Created by: Ned Gulley

Tags fibonacci

3

Solutions

114

Size

3

Solutions

114

Size

Problem 44481. How many Fibonacci numbers?

Created by: Bob Tivnan

Tags integers, fibonacci, #easy

3

Solutions

98

Size

3

Solutions

98

Size

Problem 1946. Fibonacci-Sum of Squares

Created by: Chris Cleveland

Tags fibonacci, sum of squares

3

Solutions

54

Size

3

Solutions

54

Size

Problem 246. Project Euler: Problem 8, Find largest product in a large string of numbers

Created by: Doug Hull

Tags projecteuler

1

Solution

59

Size

1

Solution

59

Size

Problem 239. Project Euler: Problem 5, Smallest multiple

Created by: Doug Hull

Tags projecteuler

1

Solution

23

Size

1

Solution

23

Size

Problem 42413. Divisible by 11

Created by: goc3

Tags string, precision, overflow

3

Solutions

61

Size

3

Solutions

61

Size

Problem 42411. Divisible by 9

Created by: goc3

Tags string, precision, overflow

1

Solution

30

Size

1

Solution

30

Size

Problem 42410. Divisible by 8

Created by: goc3

Tags string, precision, overflow

1

Solution

82

Size

1

Solution

82

Size

Problem 42409. Divisible by 7

Created by: goc3

Tags string, precision, overflow

2

Solutions

71

Size

2

Solutions

71

Size

Problem 42412. Divisible by 10

Created by: goc3

Tags string, precision, overflow

2

Solutions

29

Size

2

Solutions

29

Size

Problem 42408. Divisible by 6

Created by: goc3

Tags string, precision, overflow

2

Solutions

89

Size

2

Solutions

89

Size

Problem 42407. Divisible by 5

Created by: goc3

Tags string, precision, overflow

2

Solutions

37

Size

2

Solutions

37

Size

Problem 42406. Divisible by 4

Created by: goc3

Tags string, precision, overflow

1

Solution

36

Size

1

Solution

36

Size

Problem 42404. Divisible by 2

Created by: goc3

Tags string, precision, overflow

4

Solutions

43

Size

4

Solutions

43

Size

Problem 42405. Divisible by 3

Created by: goc3

Tags string, precision, overflow

4

Solutions

38

Size

4

Solutions

38

Size

Problem 235. Project Euler: Problem 4, Palindromic numbers

Created by: Doug Hull

Tags projecteuler

1

Solution

74

Size

1

Solution

74

Size

Problem 1095. Circular Primes (based on Project Euler, problem 35)

Created by: James

Tags primes, projecteuler, circular reasoning

1

Solution

140

Size

1

Solution

140

Size

Problem 1103. Right Triangle Side Lengths (Inspired by Project Euler Problem 39)

Created by: @bmtran (Bryant Tran)

Tags projecteuler, plus15

5

Solutions

107

Size

5

Solutions

107

Size

Problem 50907. Draw a '4' in a zero matrix!

Created by: Szász Botond

Tags x

1

Solution

45

Size

1

Solution

45

Size

Problem 50902. Draw a '6' in a zero matrix!

Created by: Szász Botond

Tags x

1

Solution

62

Size

1

Solution

62

Size

Problem 50897. Draw a '9' in a zero matrix!

Created by: Szász Botond

Tags x

1

Solution

62

Size

1

Solution

62

Size

Problem 50892. Draw a '7' in a zero matrix!

Created by: Szász Botond

Tags x

1

Solution

26

Size

1

Solution

26

Size

Problem 50887. Draw a '8' in a zero matrix!

Created by: Szász Botond

Tags x

1

Solution

65

Size

1

Solution

65

Size

Problem 50882. Draw a '3' in a zero matrix!

Created by: Szász Botond

Tags x

2

Solutions

59

Size

2

Solutions

59

Size

Problem 50877. Draw a '2' in a zero matrix!

Created by: Szász Botond

Tags x

1

Solution

59

Size

1

Solution

59

Size

Problem 50872. Draw a '5' in a zero matrix!

Created by: Szász Botond

Tags x

1

Solution

68

Size

1

Solution

68

Size

Problem 50801. Find x rows where the sum of the numbers is the maximum

Created by: Szász Botond

Tags x, m

1

Solution

63

Size

1

Solution

63

Size

Problem 50867. Draw a '1' in a zero matrix!

Created by: Szász Botond

Tags x

2

Solutions

40

Size

2

Solutions

40

Size

Problem 981. Find nearest prime number less than input number

Created by: Reza Ahmadzadeh

Tags math, prime numbers

3

Solutions

51

Size

3

Solutions

51

Size

Problem 1096. Largest Twin Primes

Created by: Des Mc Manus

Tags primes

2

Solutions

49

Size

2

Solutions

49

Size

Problem 1722. Find the next prime number

Created by: Chris E.

Tags prime

1

Solution

42

Size

1

Solution

42

Size

Problem 1567. Make a vector of prime numbers

Created by: Marek Kuklis

Tags matlab

2

Solutions

37

Size

2

Solutions

37

Size

Problem 896. Sophie Germain prime

Created by: Aurelien Queffurust

Tags prime, primes, sophie germain

1

Solution

34

Size

1

Solution

34

Size

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

10

Solutions

46

Size

10

Solutions

46

Size

Problem 525. Mersenne Primes

Created by: Drew Weymouth

Tags math, prime, integers

3

Solutions

53

Size

3

Solutions

53

Size

Problem 241. Project Euler: Problem 7, Nth prime

Created by: Doug Hull

Tags primes, projecteuler

3

Solutions

45

Size

3

Solutions

45

Size

Problem 794. Matrix with different incremental runs

Created by: Aurelien Queffurust

Tags matrix manipulation, increment

2

Solutions

75

Size

2

Solutions

75

Size

Problem 933. Ordinal numbers

Created by: Tim

Tags ordinal, lookup table

6

Solutions

120

Size

6

Solutions

120

Size

1 – 50 of 210