What is the Greatest Common Factor of 79778 and 79788?

Greatest common factor (GCF) of 79778 and 79788 is 2.

GCF(79778,79788) = 2

We will now calculate the prime factors of 79778 and 79788, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79778 and 79788.

How to find the GCF of 79778 and 79788?

We will first find the prime factorization of 79778 and 79788. After we will calculate the factors of 79778 and 79788 and find the biggest common factor number .

Step-1: Prime Factorization of 79778

Prime factors of 79778 are 2, 113, 353. Prime factorization of 79778 in exponential form is:

79778 = 2¹ × 113¹ × 353¹

Step-2: Prime Factorization of 79788

Prime factors of 79788 are 2, 3, 61, 109. Prime factorization of 79788 in exponential form is:

79788 = 2² × 3¹ × 61¹ × 109¹

Step-3: Factors of 79778

List of positive integer factors of 79778 that divides 79778 without a remainder.

1, 2, 113, 226, 353, 706, 39889

Step-4: Factors of 79788

List of positive integer factors of 79788 that divides 79778 without a remainder.

1, 2, 3, 4, 6, 12, 61, 109, 122, 183, 218, 244, 327, 366, 436, 654, 732, 1308, 6649, 13298, 19947, 26596, 39894

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79778 and 79788. The biggest common factor number is the GCF number.
So the greatest common factor 79778 and 79788 is 2.

Also check out the Least Common Multiple of 79778 and 79788