What is the Greatest Common Factor of 86515 and 86528?

Greatest common factor (GCF) of 86515 and 86528 is 13.

GCF(86515,86528) = 13

We will now calculate the prime factors of 86515 and 86528, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86515 and 86528.

How to find the GCF of 86515 and 86528?

We will first find the prime factorization of 86515 and 86528. After we will calculate the factors of 86515 and 86528 and find the biggest common factor number .

Step-1: Prime Factorization of 86515

Prime factors of 86515 are 5, 11, 13. Prime factorization of 86515 in exponential form is:

86515 = 5¹ × 11³ × 13¹

Step-2: Prime Factorization of 86528

Prime factors of 86528 are 2, 13. Prime factorization of 86528 in exponential form is:

86528 = 2⁹ × 13²

Step-3: Factors of 86515

List of positive integer factors of 86515 that divides 86515 without a remainder.

1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1331, 1573, 6655, 7865, 17303

Step-4: Factors of 86528

List of positive integer factors of 86528 that divides 86515 without a remainder.

1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 512, 676, 832, 1352, 1664, 2704, 3328, 5408, 6656, 10816, 21632, 43264

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86515 and 86528. The biggest common factor number is the GCF number.
So the greatest common factor 86515 and 86528 is 13.

Also check out the Least Common Multiple of 86515 and 86528