What is the Greatest Common Factor of 85720 and 85737?

Greatest common factor (GCF) of 85720 and 85737 is 1.

GCF(85720,85737) = 1

We will now calculate the prime factors of 85720 and 85737, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85720 and 85737.

How to find the GCF of 85720 and 85737?

We will first find the prime factorization of 85720 and 85737. After we will calculate the factors of 85720 and 85737 and find the biggest common factor number .

Step-1: Prime Factorization of 85720

Prime factors of 85720 are 2, 5, 2143. Prime factorization of 85720 in exponential form is:

85720 = 2³ × 5¹ × 2143¹

Step-2: Prime Factorization of 85737

Prime factors of 85737 are 3, 28579. Prime factorization of 85737 in exponential form is:

85737 = 3¹ × 28579¹

Step-3: Factors of 85720

List of positive integer factors of 85720 that divides 85720 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 2143, 4286, 8572, 10715, 17144, 21430, 42860

Step-4: Factors of 85737

List of positive integer factors of 85737 that divides 85720 without a remainder.

1, 3, 28579

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85720 and 85737. The biggest common factor number is the GCF number.
So the greatest common factor 85720 and 85737 is 1.

Also check out the Least Common Multiple of 85720 and 85737