What is the Greatest Common Factor of 53421 and 53440?

Greatest common factor (GCF) of 53421 and 53440 is 1.

GCF(53421,53440) = 1

We will now calculate the prime factors of 53421 and 53440, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 53421 and 53440.

How to find the GCF of 53421 and 53440?

We will first find the prime factorization of 53421 and 53440. After we will calculate the factors of 53421 and 53440 and find the biggest common factor number .

Step-1: Prime Factorization of 53421

Prime factors of 53421 are 3, 17807. Prime factorization of 53421 in exponential form is:

53421 = 3¹ × 17807¹

Step-2: Prime Factorization of 53440

Prime factors of 53440 are 2, 5, 167. Prime factorization of 53440 in exponential form is:

53440 = 2⁶ × 5¹ × 167¹

Step-3: Factors of 53421

List of positive integer factors of 53421 that divides 53421 without a remainder.

1, 3, 17807

Step-4: Factors of 53440

List of positive integer factors of 53440 that divides 53421 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 167, 320, 334, 668, 835, 1336, 1670, 2672, 3340, 5344, 6680, 10688, 13360, 26720

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 53421 and 53440. The biggest common factor number is the GCF number.
So the greatest common factor 53421 and 53440 is 1.

Also check out the Least Common Multiple of 53421 and 53440