What is the Greatest Common Factor of 70646 and 70664?

Greatest common factor (GCF) of 70646 and 70664 is 2.

GCF(70646,70664) = 2

We will now calculate the prime factors of 70646 and 70664, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70646 and 70664.

How to find the GCF of 70646 and 70664?

We will first find the prime factorization of 70646 and 70664. After we will calculate the factors of 70646 and 70664 and find the biggest common factor number .

Step-1: Prime Factorization of 70646

Prime factors of 70646 are 2, 35323. Prime factorization of 70646 in exponential form is:

70646 = 2¹ × 35323¹

Step-2: Prime Factorization of 70664

Prime factors of 70664 are 2, 11, 73. Prime factorization of 70664 in exponential form is:

70664 = 2³ × 11² × 73¹

Step-3: Factors of 70646

List of positive integer factors of 70646 that divides 70646 without a remainder.

1, 2, 35323

Step-4: Factors of 70664

List of positive integer factors of 70664 that divides 70646 without a remainder.

1, 2, 4, 8, 11, 22, 44, 73, 88, 121, 146, 242, 292, 484, 584, 803, 968, 1606, 3212, 6424, 8833, 17666, 35332

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70646 and 70664. The biggest common factor number is the GCF number.
So the greatest common factor 70646 and 70664 is 2.

Also check out the Least Common Multiple of 70646 and 70664