What is the Greatest Common Factor of 63685 and 63690?

Greatest common factor (GCF) of 63685 and 63690 is 5.

GCF(63685,63690) = 5

We will now calculate the prime factors of 63685 and 63690, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63685 and 63690.

How to find the GCF of 63685 and 63690?

We will first find the prime factorization of 63685 and 63690. After we will calculate the factors of 63685 and 63690 and find the biggest common factor number .

Step-1: Prime Factorization of 63685

Prime factors of 63685 are 5, 47, 271. Prime factorization of 63685 in exponential form is:

63685 = 5¹ × 47¹ × 271¹

Step-2: Prime Factorization of 63690

Prime factors of 63690 are 2, 3, 5, 11, 193. Prime factorization of 63690 in exponential form is:

63690 = 2¹ × 3¹ × 5¹ × 11¹ × 193¹

Step-3: Factors of 63685

List of positive integer factors of 63685 that divides 63685 without a remainder.

1, 5, 47, 235, 271, 1355, 12737

Step-4: Factors of 63690

List of positive integer factors of 63690 that divides 63685 without a remainder.

1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 193, 330, 386, 579, 965, 1158, 1930, 2123, 2895, 4246, 5790, 6369, 10615, 12738, 21230, 31845

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63685 and 63690. The biggest common factor number is the GCF number.
So the greatest common factor 63685 and 63690 is 5.

Also check out the Least Common Multiple of 63685 and 63690