247/13=19 247 is not a prime
factors: 1, 11, 13, 19, 143, 209, 247, 2717prime factors: 11, 13, 19
The factors are: 1, 3, 13, 19, 39, 57, 247, 741 The prime factorisation is 3 x 13 x 19
The prime factors of 494 are 2, 13, and 19. The prime factors of 741 are 3, 13, and 19. The common factors are 13 and 19, so the greatest common factor is 13 x 19 = 247.
13 x 19 = 247
The factors of 247 are 1, 13, 19, and 247
247 is not prime. 247 = 13 * 19
The two prime numbers 13*19=247
13 x 19 = 247
1, 13, 19, and 247.
1, 7, 13, 19, 91, 133, 247, 1729 The prime factors are 7, 13, 19
The factors of 95 are: 1, 5, 19, 95 The factors of 247 are: 1, 13, 19, 247