GCF and LCM Calculator Logo

What is the Greatest Common Factor of 63987 and 64004?

Greatest common factor (GCF) of 63987 and 64004 is 1.

GCF(63987,64004) = 1

We will now calculate the prime factors of 63987 and 64004, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63987 and 64004.

GCF Calculator and
and

How to find the GCF of 63987 and 64004?

We will first find the prime factorization of 63987 and 64004. After we will calculate the factors of 63987 and 64004 and find the biggest common factor number .

Step-1: Prime Factorization of 63987

Prime factors of 63987 are 3, 7, 11, 277. Prime factorization of 63987 in exponential form is:

63987 = 31 × 71 × 111 × 2771

Step-2: Prime Factorization of 64004

Prime factors of 64004 are 2, 16001. Prime factorization of 64004 in exponential form is:

64004 = 22 × 160011

Step-3: Factors of 63987

List of positive integer factors of 63987 that divides 63987 without a remainder.

1, 3, 7, 11, 21, 33, 77, 231, 277, 831, 1939, 3047, 5817, 9141, 21329

Step-4: Factors of 64004

List of positive integer factors of 64004 that divides 63987 without a remainder.

1, 2, 4, 16001, 32002

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63987 and 64004. The biggest common factor number is the GCF number.
So the greatest common factor 63987 and 64004 is 1.

Also check out the Least Common Multiple of 63987 and 64004