What is the Greatest Common Factor of 85645 and 85655?

Greatest common factor (GCF) of 85645 and 85655 is 5.

GCF(85645,85655) = 5

We will now calculate the prime factors of 85645 and 85655, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85645 and 85655.

How to find the GCF of 85645 and 85655?

We will first find the prime factorization of 85645 and 85655. After we will calculate the factors of 85645 and 85655 and find the biggest common factor number .

Step-1: Prime Factorization of 85645

Prime factors of 85645 are 5, 7, 2447. Prime factorization of 85645 in exponential form is:

85645 = 5¹ × 7¹ × 2447¹

Step-2: Prime Factorization of 85655

Prime factors of 85655 are 5, 37, 463. Prime factorization of 85655 in exponential form is:

85655 = 5¹ × 37¹ × 463¹

Step-3: Factors of 85645

List of positive integer factors of 85645 that divides 85645 without a remainder.

1, 5, 7, 35, 2447, 12235, 17129

Step-4: Factors of 85655

List of positive integer factors of 85655 that divides 85645 without a remainder.

1, 5, 37, 185, 463, 2315, 17131

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85645 and 85655. The biggest common factor number is the GCF number.
So the greatest common factor 85645 and 85655 is 5.

Also check out the Least Common Multiple of 85645 and 85655