What is the Greatest Common Factor of 79670 and 79685?

Greatest common factor (GCF) of 79670 and 79685 is 5.

GCF(79670,79685) = 5

We will now calculate the prime factors of 79670 and 79685, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79670 and 79685.

How to find the GCF of 79670 and 79685?

We will first find the prime factorization of 79670 and 79685. After we will calculate the factors of 79670 and 79685 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 79685

Prime factors of 79685 are 5, 15937. Prime factorization of 79685 in exponential form is:

79685 = 5¹ × 15937¹

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 79685

List of positive integer factors of 79685 that divides 79670 without a remainder.

1, 5, 15937

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79670 and 79685. The biggest common factor number is the GCF number.
So the greatest common factor 79670 and 79685 is 5.

Also check out the Least Common Multiple of 79670 and 79685