What is the Greatest Common Factor of 63981 and 63986?

Greatest common factor (GCF) of 63981 and 63986 is 1.

GCF(63981,63986) = 1

We will now calculate the prime factors of 63981 and 63986, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63981 and 63986.

How to find the GCF of 63981 and 63986?

We will first find the prime factorization of 63981 and 63986. After we will calculate the factors of 63981 and 63986 and find the biggest common factor number .

Step-1: Prime Factorization of 63981

Prime factors of 63981 are 3, 7109. Prime factorization of 63981 in exponential form is:

63981 = 3² × 7109¹

Step-2: Prime Factorization of 63986

Prime factors of 63986 are 2, 13, 23, 107. Prime factorization of 63986 in exponential form is:

63986 = 2¹ × 13¹ × 23¹ × 107¹

Step-3: Factors of 63981

List of positive integer factors of 63981 that divides 63981 without a remainder.

1, 3, 9, 7109, 21327

Step-4: Factors of 63986

List of positive integer factors of 63986 that divides 63981 without a remainder.

1, 2, 13, 23, 26, 46, 107, 214, 299, 598, 1391, 2461, 2782, 4922, 31993

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63981 and 63986. The biggest common factor number is the GCF number.
So the greatest common factor 63981 and 63986 is 1.

Also check out the Least Common Multiple of 63981 and 63986