What is the Greatest Common Factor of 86570 and 86585?

Greatest common factor (GCF) of 86570 and 86585 is 5.

GCF(86570,86585) = 5

We will now calculate the prime factors of 86570 and 86585, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86570 and 86585.

How to find the GCF of 86570 and 86585?

We will first find the prime factorization of 86570 and 86585. After we will calculate the factors of 86570 and 86585 and find the biggest common factor number .

Step-1: Prime Factorization of 86570

Prime factors of 86570 are 2, 5, 11, 787. Prime factorization of 86570 in exponential form is:

86570 = 2¹ × 5¹ × 11¹ × 787¹

Step-2: Prime Factorization of 86585

Prime factors of 86585 are 5, 17317. Prime factorization of 86585 in exponential form is:

86585 = 5¹ × 17317¹

Step-3: Factors of 86570

List of positive integer factors of 86570 that divides 86570 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 787, 1574, 3935, 7870, 8657, 17314, 43285

Step-4: Factors of 86585

List of positive integer factors of 86585 that divides 86570 without a remainder.

1, 5, 17317

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86570 and 86585. The biggest common factor number is the GCF number.
So the greatest common factor 86570 and 86585 is 5.

Also check out the Least Common Multiple of 86570 and 86585