What is the Greatest Common Factor of 86640 and 86646?

Greatest common factor (GCF) of 86640 and 86646 is 6.

GCF(86640,86646) = 6

We will now calculate the prime factors of 86640 and 86646, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86640 and 86646.

How to find the GCF of 86640 and 86646?

We will first find the prime factorization of 86640 and 86646. After we will calculate the factors of 86640 and 86646 and find the biggest common factor number .

Step-1: Prime Factorization of 86640

Prime factors of 86640 are 2, 3, 5, 19. Prime factorization of 86640 in exponential form is:

86640 = 2⁴ × 3¹ × 5¹ × 19²

Step-2: Prime Factorization of 86646

Prime factors of 86646 are 2, 3, 7, 2063. Prime factorization of 86646 in exponential form is:

86646 = 2¹ × 3¹ × 7¹ × 2063¹

Step-3: Factors of 86640

List of positive integer factors of 86640 that divides 86640 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 361, 380, 456, 570, 722, 760, 912, 1083, 1140, 1444, 1520, 1805, 2166, 2280, 2888, 3610, 4332, 4560, 5415, 5776, 7220, 8664, 10830, 14440, 17328, 21660, 28880, 43320

Step-4: Factors of 86646

List of positive integer factors of 86646 that divides 86640 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 2063, 4126, 6189, 12378, 14441, 28882, 43323

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86640 and 86646. The biggest common factor number is the GCF number.
So the greatest common factor 86640 and 86646 is 6.

Also check out the Least Common Multiple of 86640 and 86646