What is the Greatest Common Factor of 85985 and 85995?

Greatest common factor (GCF) of 85985 and 85995 is 5.

GCF(85985,85995) = 5

We will now calculate the prime factors of 85985 and 85995, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85985 and 85995.

How to find the GCF of 85985 and 85995?

We will first find the prime factorization of 85985 and 85995. After we will calculate the factors of 85985 and 85995 and find the biggest common factor number .

Step-1: Prime Factorization of 85985

Prime factors of 85985 are 5, 29, 593. Prime factorization of 85985 in exponential form is:

85985 = 5¹ × 29¹ × 593¹

Step-2: Prime Factorization of 85995

Prime factors of 85995 are 3, 5, 7, 13. Prime factorization of 85995 in exponential form is:

85995 = 3³ × 5¹ × 7² × 13¹

Step-3: Factors of 85985

List of positive integer factors of 85985 that divides 85985 without a remainder.

1, 5, 29, 145, 593, 2965, 17197

Step-4: Factors of 85995

List of positive integer factors of 85995 that divides 85985 without a remainder.

1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 49, 63, 65, 91, 105, 117, 135, 147, 189, 195, 245, 273, 315, 351, 441, 455, 585, 637, 735, 819, 945, 1323, 1365, 1755, 1911, 2205, 2457, 3185, 4095, 5733, 6615, 9555, 12285, 17199, 28665

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85985 and 85995. The biggest common factor number is the GCF number.
So the greatest common factor 85985 and 85995 is 5.

Also check out the Least Common Multiple of 85985 and 85995