What is the Greatest Common Factor of 78299 and 78312?

Greatest common factor (GCF) of 78299 and 78312 is 13.

GCF(78299,78312) = 13

We will now calculate the prime factors of 78299 and 78312, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78299 and 78312.

How to find the GCF of 78299 and 78312?

We will first find the prime factorization of 78299 and 78312. After we will calculate the factors of 78299 and 78312 and find the biggest common factor number .

Step-1: Prime Factorization of 78299

Prime factors of 78299 are 13, 19, 317. Prime factorization of 78299 in exponential form is:

78299 = 13¹ × 19¹ × 317¹

Step-2: Prime Factorization of 78312

Prime factors of 78312 are 2, 3, 13, 251. Prime factorization of 78312 in exponential form is:

78312 = 2³ × 3¹ × 13¹ × 251¹

Step-3: Factors of 78299

List of positive integer factors of 78299 that divides 78299 without a remainder.

1, 13, 19, 247, 317, 4121, 6023

Step-4: Factors of 78312

List of positive integer factors of 78312 that divides 78299 without a remainder.

1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 251, 312, 502, 753, 1004, 1506, 2008, 3012, 3263, 6024, 6526, 9789, 13052, 19578, 26104, 39156

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78299 and 78312. The biggest common factor number is the GCF number.
So the greatest common factor 78299 and 78312 is 13.

Also check out the Least Common Multiple of 78299 and 78312