What is the Greatest Common Factor of 85687 and 85701?

Greatest common factor (GCF) of 85687 and 85701 is 7.

GCF(85687,85701) = 7

We will now calculate the prime factors of 85687 and 85701, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85687 and 85701.

How to find the GCF of 85687 and 85701?

We will first find the prime factorization of 85687 and 85701. After we will calculate the factors of 85687 and 85701 and find the biggest common factor number .

Step-1: Prime Factorization of 85687

Prime factors of 85687 are 7, 12241. Prime factorization of 85687 in exponential form is:

85687 = 7¹ × 12241¹

Step-2: Prime Factorization of 85701

Prime factors of 85701 are 3, 7, 11, 53. Prime factorization of 85701 in exponential form is:

85701 = 3¹ × 7² × 11¹ × 53¹

Step-3: Factors of 85687

List of positive integer factors of 85687 that divides 85687 without a remainder.

1, 7, 12241

Step-4: Factors of 85701

List of positive integer factors of 85701 that divides 85687 without a remainder.

1, 3, 7, 11, 21, 33, 49, 53, 77, 147, 159, 231, 371, 539, 583, 1113, 1617, 1749, 2597, 4081, 7791, 12243, 28567

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85687 and 85701. The biggest common factor number is the GCF number.
So the greatest common factor 85687 and 85701 is 7.

Also check out the Least Common Multiple of 85687 and 85701