What is the Greatest Common Factor of 79670 and 79678?

Greatest common factor (GCF) of 79670 and 79678 is 2.

GCF(79670,79678) = 2

We will now calculate the prime factors of 79670 and 79678, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79670 and 79678.

How to find the GCF of 79670 and 79678?

We will first find the prime factorization of 79670 and 79678. After we will calculate the factors of 79670 and 79678 and find the biggest common factor number .

Step-1: Prime Factorization of 79670

Prime factors of 79670 are 2, 5, 31, 257. Prime factorization of 79670 in exponential form is:

79670 = 2¹ × 5¹ × 31¹ × 257¹

Step-2: Prime Factorization of 79678

Prime factors of 79678 are 2, 39839. Prime factorization of 79678 in exponential form is:

79678 = 2¹ × 39839¹

Step-3: Factors of 79670

List of positive integer factors of 79670 that divides 79670 without a remainder.

1, 2, 5, 10, 31, 62, 155, 257, 310, 514, 1285, 2570, 7967, 15934, 39835

Step-4: Factors of 79678

List of positive integer factors of 79678 that divides 79670 without a remainder.

1, 2, 39839

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79670 and 79678. The biggest common factor number is the GCF number.
So the greatest common factor 79670 and 79678 is 2.

Also check out the Least Common Multiple of 79670 and 79678