What is the Greatest Common Factor of 82920 and 82940?

Greatest common factor (GCF) of 82920 and 82940 is 20.

GCF(82920,82940) = 20

We will now calculate the prime factors of 82920 and 82940, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 82920 and 82940.

How to find the GCF of 82920 and 82940?

We will first find the prime factorization of 82920 and 82940. After we will calculate the factors of 82920 and 82940 and find the biggest common factor number .

Step-1: Prime Factorization of 82920

Prime factors of 82920 are 2, 3, 5, 691. Prime factorization of 82920 in exponential form is:

82920 = 2³ × 3¹ × 5¹ × 691¹

Step-2: Prime Factorization of 82940

Prime factors of 82940 are 2, 5, 11, 13, 29. Prime factorization of 82940 in exponential form is:

82940 = 2² × 5¹ × 11¹ × 13¹ × 29¹

Step-3: Factors of 82920

List of positive integer factors of 82920 that divides 82920 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 691, 1382, 2073, 2764, 3455, 4146, 5528, 6910, 8292, 10365, 13820, 16584, 20730, 27640, 41460

Step-4: Factors of 82940

List of positive integer factors of 82940 that divides 82920 without a remainder.

1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 29, 44, 52, 55, 58, 65, 110, 116, 130, 143, 145, 220, 260, 286, 290, 319, 377, 572, 580, 638, 715, 754, 1276, 1430, 1508, 1595, 1885, 2860, 3190, 3770, 4147, 6380, 7540, 8294, 16588, 20735, 41470

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 82920 and 82940. The biggest common factor number is the GCF number.
So the greatest common factor 82920 and 82940 is 20.

Also check out the Least Common Multiple of 82920 and 82940