What is the Greatest Common Factor of 64675 and 64680?

Greatest common factor (GCF) of 64675 and 64680 is 5.

GCF(64675,64680) = 5

We will now calculate the prime factors of 64675 and 64680, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64675 and 64680.

How to find the GCF of 64675 and 64680?

We will first find the prime factorization of 64675 and 64680. After we will calculate the factors of 64675 and 64680 and find the biggest common factor number .

Step-1: Prime Factorization of 64675

Prime factors of 64675 are 5, 13, 199. Prime factorization of 64675 in exponential form is:

64675 = 5² × 13¹ × 199¹

Step-2: Prime Factorization of 64680

Prime factors of 64680 are 2, 3, 5, 7, 11. Prime factorization of 64680 in exponential form is:

64680 = 2³ × 3¹ × 5¹ × 7² × 11¹

Step-3: Factors of 64675

List of positive integer factors of 64675 that divides 64675 without a remainder.

1, 5, 13, 25, 65, 199, 325, 995, 2587, 4975, 12935

Step-4: Factors of 64680

List of positive integer factors of 64680 that divides 64675 without a remainder.

1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 132, 140, 147, 154, 165, 168, 196, 210, 220, 231, 245, 264, 280, 294, 308, 330, 385, 392, 420, 440, 462, 490, 539, 588, 616, 660, 735, 770, 840, 924, 980, 1078, 1155, 1176, 1320, 1470, 1540, 1617, 1848, 1960, 2156, 2310, 2695, 2940, 3080, 3234, 4312, 4620, 5390, 5880, 6468, 8085, 9240, 10780, 12936, 16170, 21560, 32340

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64675 and 64680. The biggest common factor number is the GCF number.
So the greatest common factor 64675 and 64680 is 5.

Also check out the Least Common Multiple of 64675 and 64680