What is the Greatest Common Factor of 82640 and 82645?

Greatest common factor (GCF) of 82640 and 82645 is 5.

GCF(82640,82645) = 5

We will now calculate the prime factors of 82640 and 82645, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 82640 and 82645.

How to find the GCF of 82640 and 82645?

We will first find the prime factorization of 82640 and 82645. After we will calculate the factors of 82640 and 82645 and find the biggest common factor number .

Step-1: Prime Factorization of 82640

Prime factors of 82640 are 2, 5, 1033. Prime factorization of 82640 in exponential form is:

82640 = 2⁴ × 5¹ × 1033¹

Step-2: Prime Factorization of 82645

Prime factors of 82645 are 5, 16529. Prime factorization of 82645 in exponential form is:

82645 = 5¹ × 16529¹

Step-3: Factors of 82640

List of positive integer factors of 82640 that divides 82640 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1033, 2066, 4132, 5165, 8264, 10330, 16528, 20660, 41320

Step-4: Factors of 82645

List of positive integer factors of 82645 that divides 82640 without a remainder.

1, 5, 16529

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 82640 and 82645. The biggest common factor number is the GCF number.
So the greatest common factor 82640 and 82645 is 5.

Also check out the Least Common Multiple of 82640 and 82645