What is the Greatest Common Factor of 39958 and 39968?

Greatest common factor (GCF) of 39958 and 39968 is 2.

GCF(39958,39968) = 2

We will now calculate the prime factors of 39958 and 39968, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39958 and 39968.

How to find the GCF of 39958 and 39968?

We will first find the prime factorization of 39958 and 39968. After we will calculate the factors of 39958 and 39968 and find the biggest common factor number .

Step-1: Prime Factorization of 39958

Prime factors of 39958 are 2, 19979. Prime factorization of 39958 in exponential form is:

39958 = 2¹ × 19979¹

Step-2: Prime Factorization of 39968

Prime factors of 39968 are 2, 1249. Prime factorization of 39968 in exponential form is:

39968 = 2⁵ × 1249¹

Step-3: Factors of 39958

List of positive integer factors of 39958 that divides 39958 without a remainder.

1, 2, 19979

Step-4: Factors of 39968

List of positive integer factors of 39968 that divides 39958 without a remainder.

1, 2, 4, 8, 16, 32, 1249, 2498, 4996, 9992, 19984

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39958 and 39968. The biggest common factor number is the GCF number.
So the greatest common factor 39958 and 39968 is 2.

Also check out the Least Common Multiple of 39958 and 39968