What is the Greatest Common Factor of 64443 and 64457?

Greatest common factor (GCF) of 64443 and 64457 is 1.

GCF(64443,64457) = 1

We will now calculate the prime factors of 64443 and 64457, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64443 and 64457.

How to find the GCF of 64443 and 64457?

We will first find the prime factorization of 64443 and 64457. After we will calculate the factors of 64443 and 64457 and find the biggest common factor number .

Step-1: Prime Factorization of 64443

Prime factors of 64443 are 3, 21481. Prime factorization of 64443 in exponential form is:

64443 = 3¹ × 21481¹

Step-2: Prime Factorization of 64457

Prime factors of 64457 are 43, 1499. Prime factorization of 64457 in exponential form is:

64457 = 43¹ × 1499¹

Step-3: Factors of 64443

List of positive integer factors of 64443 that divides 64443 without a remainder.

1, 3, 21481

Step-4: Factors of 64457

List of positive integer factors of 64457 that divides 64443 without a remainder.

1, 43, 1499

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64443 and 64457. The biggest common factor number is the GCF number.
So the greatest common factor 64443 and 64457 is 1.

Also check out the Least Common Multiple of 64443 and 64457