What is the Greatest Common Factor of 85585 and 85605?

Greatest common factor (GCF) of 85585 and 85605 is 5.

GCF(85585,85605) = 5

We will now calculate the prime factors of 85585 and 85605, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85585 and 85605.

How to find the GCF of 85585 and 85605?

We will first find the prime factorization of 85585 and 85605. After we will calculate the factors of 85585 and 85605 and find the biggest common factor number .

Step-1: Prime Factorization of 85585

Prime factors of 85585 are 5, 17117. Prime factorization of 85585 in exponential form is:

85585 = 5¹ × 17117¹

Step-2: Prime Factorization of 85605

Prime factors of 85605 are 3, 5, 13, 439. Prime factorization of 85605 in exponential form is:

85605 = 3¹ × 5¹ × 13¹ × 439¹

Step-3: Factors of 85585

List of positive integer factors of 85585 that divides 85585 without a remainder.

1, 5, 17117

Step-4: Factors of 85605

List of positive integer factors of 85605 that divides 85585 without a remainder.

1, 3, 5, 13, 15, 39, 65, 195, 439, 1317, 2195, 5707, 6585, 17121, 28535

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85585 and 85605. The biggest common factor number is the GCF number.
So the greatest common factor 85585 and 85605 is 5.

Also check out the Least Common Multiple of 85585 and 85605