What is the Greatest Common Factor of 64185 and 64190?

Greatest common factor (GCF) of 64185 and 64190 is 5.

GCF(64185,64190) = 5

We will now calculate the prime factors of 64185 and 64190, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64185 and 64190.

How to find the GCF of 64185 and 64190?

We will first find the prime factorization of 64185 and 64190. After we will calculate the factors of 64185 and 64190 and find the biggest common factor number .

Step-1: Prime Factorization of 64185

Prime factors of 64185 are 3, 5, 11, 389. Prime factorization of 64185 in exponential form is:

64185 = 3¹ × 5¹ × 11¹ × 389¹

Step-2: Prime Factorization of 64190

Prime factors of 64190 are 2, 5, 7, 131. Prime factorization of 64190 in exponential form is:

64190 = 2¹ × 5¹ × 7² × 131¹

Step-3: Factors of 64185

List of positive integer factors of 64185 that divides 64185 without a remainder.

1, 3, 5, 11, 15, 33, 55, 165, 389, 1167, 1945, 4279, 5835, 12837, 21395

Step-4: Factors of 64190

List of positive integer factors of 64190 that divides 64185 without a remainder.

1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 131, 245, 262, 490, 655, 917, 1310, 1834, 4585, 6419, 9170, 12838, 32095

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64185 and 64190. The biggest common factor number is the GCF number.
So the greatest common factor 64185 and 64190 is 5.

Also check out the Least Common Multiple of 64185 and 64190