What is the Greatest Common Factor of 70620 and 70635?

Greatest common factor (GCF) of 70620 and 70635 is 15.

GCF(70620,70635) = 15

We will now calculate the prime factors of 70620 and 70635, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70620 and 70635.

How to find the GCF of 70620 and 70635?

We will first find the prime factorization of 70620 and 70635. After we will calculate the factors of 70620 and 70635 and find the biggest common factor number .

Step-1: Prime Factorization of 70620

Prime factors of 70620 are 2, 3, 5, 11, 107. Prime factorization of 70620 in exponential form is:

70620 = 2² × 3¹ × 5¹ × 11¹ × 107¹

Step-2: Prime Factorization of 70635

Prime factors of 70635 are 3, 5, 17, 277. Prime factorization of 70635 in exponential form is:

70635 = 3¹ × 5¹ × 17¹ × 277¹

Step-3: Factors of 70620

List of positive integer factors of 70620 that divides 70620 without a remainder.

1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 107, 110, 132, 165, 214, 220, 321, 330, 428, 535, 642, 660, 1070, 1177, 1284, 1605, 2140, 2354, 3210, 3531, 4708, 5885, 6420, 7062, 11770, 14124, 17655, 23540, 35310

Step-4: Factors of 70635

List of positive integer factors of 70635 that divides 70620 without a remainder.

1, 3, 5, 15, 17, 51, 85, 255, 277, 831, 1385, 4155, 4709, 14127, 23545

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70620 and 70635. The biggest common factor number is the GCF number.
So the greatest common factor 70620 and 70635 is 15.

Also check out the Least Common Multiple of 70620 and 70635