What is the Greatest Common Factor of 63420 and 63424?

Greatest common factor (GCF) of 63420 and 63424 is 4.

GCF(63420,63424) = 4

We will now calculate the prime factors of 63420 and 63424, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63420 and 63424.

How to find the GCF of 63420 and 63424?

We will first find the prime factorization of 63420 and 63424. After we will calculate the factors of 63420 and 63424 and find the biggest common factor number .

Step-1: Prime Factorization of 63420

Prime factors of 63420 are 2, 3, 5, 7, 151. Prime factorization of 63420 in exponential form is:

63420 = 2² × 3¹ × 5¹ × 7¹ × 151¹

Step-2: Prime Factorization of 63424

Prime factors of 63424 are 2, 991. Prime factorization of 63424 in exponential form is:

63424 = 2⁶ × 991¹

Step-3: Factors of 63420

List of positive integer factors of 63420 that divides 63420 without a remainder.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 151, 210, 302, 420, 453, 604, 755, 906, 1057, 1510, 1812, 2114, 2265, 3020, 3171, 4228, 4530, 5285, 6342, 9060, 10570, 12684, 15855, 21140, 31710

Step-4: Factors of 63424

List of positive integer factors of 63424 that divides 63420 without a remainder.

1, 2, 4, 8, 16, 32, 64, 991, 1982, 3964, 7928, 15856, 31712

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63420 and 63424. The biggest common factor number is the GCF number.
So the greatest common factor 63420 and 63424 is 4.

Also check out the Least Common Multiple of 63420 and 63424