The prime factors of 36 are 2 and 3. To be common, they need to be compared to another set of prime factors.
The common prime factors are 2 and 3
The prime factors of 24 are 2,2,2 and 3 The prime factors of 36 are 2,2,3 and 3 Thus the common factors are 1,2,3,4,6 and 12.
Prime factors of 12 2x2x3 Prime factors of 36 2x2x3x3 Greatest common factor of 12 and 36 = 2x2x3 = 12
The only common prime factor is 2.
Prime factors of 36 are 22x32 Prime factors of 60 are 22x3x5 The greatest common factor of 36 and 60 is 4 (22).
2 and 3
2 and 3
Just 2.
2 and 3
They are 2 and 3
No because they have factors in common
The factors of 21 are 1, 3, 7, and 21. The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36. The factors they have in common are 1 and 3, the largest of which is 3, so 3 is the greatest common factor. Or, you can calculate the greatest common factor by looking at the prime factors. The prime factors of 21 are 3 and 7. The prime factors of 36 are 2, 2, 3, and 3. The prime factors they have in common are a single 3, so 3 is the greatest common factor.