What is the Greatest Common Factor of 43664 and 43670?

Greatest common factor (GCF) of 43664 and 43670 is 2.

GCF(43664,43670) = 2

We will now calculate the prime factors of 43664 and 43670, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43664 and 43670.

How to find the GCF of 43664 and 43670?

We will first find the prime factorization of 43664 and 43670. After we will calculate the factors of 43664 and 43670 and find the biggest common factor number .

Step-1: Prime Factorization of 43664

Prime factors of 43664 are 2, 2729. Prime factorization of 43664 in exponential form is:

43664 = 2⁴ × 2729¹

Step-2: Prime Factorization of 43670

Prime factors of 43670 are 2, 5, 11, 397. Prime factorization of 43670 in exponential form is:

43670 = 2¹ × 5¹ × 11¹ × 397¹

Step-3: Factors of 43664

List of positive integer factors of 43664 that divides 43664 without a remainder.

1, 2, 4, 8, 16, 2729, 5458, 10916, 21832

Step-4: Factors of 43670

List of positive integer factors of 43670 that divides 43664 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 397, 794, 1985, 3970, 4367, 8734, 21835

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43664 and 43670. The biggest common factor number is the GCF number.
So the greatest common factor 43664 and 43670 is 2.

Also check out the Least Common Multiple of 43664 and 43670