What is the Greatest Common Factor of 77120 and 77130?

Greatest common factor (GCF) of 77120 and 77130 is 10.

GCF(77120,77130) = 10

We will now calculate the prime factors of 77120 and 77130, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77120 and 77130.

How to find the GCF of 77120 and 77130?

We will first find the prime factorization of 77120 and 77130. After we will calculate the factors of 77120 and 77130 and find the biggest common factor number .

Step-1: Prime Factorization of 77120

Prime factors of 77120 are 2, 5, 241. Prime factorization of 77120 in exponential form is:

77120 = 2⁶ × 5¹ × 241¹

Step-2: Prime Factorization of 77130

Prime factors of 77130 are 2, 3, 5, 857. Prime factorization of 77130 in exponential form is:

77130 = 2¹ × 3² × 5¹ × 857¹

Step-3: Factors of 77120

List of positive integer factors of 77120 that divides 77120 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 241, 320, 482, 964, 1205, 1928, 2410, 3856, 4820, 7712, 9640, 15424, 19280, 38560

Step-4: Factors of 77130

List of positive integer factors of 77130 that divides 77120 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 857, 1714, 2571, 4285, 5142, 7713, 8570, 12855, 15426, 25710, 38565

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77120 and 77130. The biggest common factor number is the GCF number.
So the greatest common factor 77120 and 77130 is 10.

Also check out the Least Common Multiple of 77120 and 77130