What is the Greatest Common Factor of 79690 and 79705?

Greatest common factor (GCF) of 79690 and 79705 is 5.

GCF(79690,79705) = 5

We will now calculate the prime factors of 79690 and 79705, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79690 and 79705.

How to find the GCF of 79690 and 79705?

We will first find the prime factorization of 79690 and 79705. After we will calculate the factors of 79690 and 79705 and find the biggest common factor number .

Step-1: Prime Factorization of 79690

Prime factors of 79690 are 2, 5, 13, 613. Prime factorization of 79690 in exponential form is:

79690 = 2¹ × 5¹ × 13¹ × 613¹

Step-2: Prime Factorization of 79705

Prime factors of 79705 are 5, 19, 839. Prime factorization of 79705 in exponential form is:

79705 = 5¹ × 19¹ × 839¹

Step-3: Factors of 79690

List of positive integer factors of 79690 that divides 79690 without a remainder.

1, 2, 5, 10, 13, 26, 65, 130, 613, 1226, 3065, 6130, 7969, 15938, 39845

Step-4: Factors of 79705

List of positive integer factors of 79705 that divides 79690 without a remainder.

1, 5, 19, 95, 839, 4195, 15941

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79690 and 79705. The biggest common factor number is the GCF number.
So the greatest common factor 79690 and 79705 is 5.

Also check out the Least Common Multiple of 79690 and 79705