What is the Greatest Common Factor of 82720 and 82724?

Greatest common factor (GCF) of 82720 and 82724 is 4.

GCF(82720,82724) = 4

We will now calculate the prime factors of 82720 and 82724, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 82720 and 82724.

How to find the GCF of 82720 and 82724?

We will first find the prime factorization of 82720 and 82724. After we will calculate the factors of 82720 and 82724 and find the biggest common factor number .

Step-1: Prime Factorization of 82720

Prime factors of 82720 are 2, 5, 11, 47. Prime factorization of 82720 in exponential form is:

82720 = 2⁵ × 5¹ × 11¹ × 47¹

Step-2: Prime Factorization of 82724

Prime factors of 82724 are 2, 20681. Prime factorization of 82724 in exponential form is:

82724 = 2² × 20681¹

Step-3: Factors of 82720

List of positive integer factors of 82720 that divides 82720 without a remainder.

1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 80, 88, 94, 110, 160, 176, 188, 220, 235, 352, 376, 440, 470, 517, 752, 880, 940, 1034, 1504, 1760, 1880, 2068, 2585, 3760, 4136, 5170, 7520, 8272, 10340, 16544, 20680, 41360

Step-4: Factors of 82724

List of positive integer factors of 82724 that divides 82720 without a remainder.

1, 2, 4, 20681, 41362

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 82720 and 82724. The biggest common factor number is the GCF number.
So the greatest common factor 82720 and 82724 is 4.

Also check out the Least Common Multiple of 82720 and 82724