Question

Write the common factors of 30 and 105.

Answer 1

There are 4 common factors of 30 and 105, that are 1, 3, 5, and 15. Therefore, the greatest common factor of 30 and 105 is 15.

Answer 2

Answer:

GCF of 30 and 105 is the largest possible number that divides 30 and 105 exactly without any remainder. The factors of 30 and 105 are 1, 2, 3, 5, 6, 10, 15, 30 and 1, 3, 5, 7, 15, 21, 35, 105 respectively. There are 3 commonly used methods to find the GCF of 30 and 105 - Euclidean algorithm, long division, and prime factorization.