Factors: 286=2*11*13 429=3*11*13 Common factors: 11, 13
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.
The sum of the positive odd factors of 36 is 13 (1 + 3 + 9 = 13).
The factors of 78 are: 1, 2, 3, 6, 13, 26, 39, 78 The factors of 91 are: 1, 7, 13, 91 The factors of 156 are: 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156 The common factors are: 1, 13 The Greatest Common Factor: GCF = 13
The prime factors of 312 are: 2, 3, 13
1 and 13.
The factors of 13 are 1 and 13 The factors of 26 are 1, 2, 13, and 26 The prime factors are 2 and 13.
The factors of 13 are: 1, 13 The factors of 26 are: 1, 2, 13, 26
The factors of 13 are: 1, 13 The factors of 26 are: 1, 2, 13, 26
There are no factors other than 1 and 13 that go into 13, as it is a prime number.
Its factors are: 1, 3, 13 and 39 which makes four of them
The factors of 13 are: 1, 13 The factors of 19 are: 1, 19
No others.
91 has 4 factors (2 of them which are proper). Those factors are:{1, 7, 13, 91}
13 is prime and the factors of 13 are 1 and 13
The common factors of 13 and 39 are: 1 and 13
Well, honey, the common factors of 13 and 26 are 1 and 13. That's it, plain and simple. Not much to work with there, but hey, at least you got your answer.