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2 I think...
Two factors which are itself and one because 13 is a Prime number.
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What are the common factors of 286 and 429?
Factors: 286=2*11*13 429=3*11*13 Common factors: 11, 13
Find the common factors of 494 and 741?
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.
What is the greatest common factors of 78 91 and 156?
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
What is the sum of the positive odd factors of 36?
Well, honey, the positive odd factors of 36 are 1, 3, and 9. Add those bad boys up and you get 13. So, the sum of the positive odd factors of 36 is 13. Hope that satisfies your math cravings, sweetie!
Prime factors of 312?
The prime factors of 312 are: 2, 3, 13
