What is the Greatest Common Factor of 77816 and 77830?

Greatest common factor (GCF) of 77816 and 77830 is 2.

GCF(77816,77830) = 2

We will now calculate the prime factors of 77816 and 77830, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77816 and 77830.

How to find the GCF of 77816 and 77830?

We will first find the prime factorization of 77816 and 77830. After we will calculate the factors of 77816 and 77830 and find the biggest common factor number .

Step-1: Prime Factorization of 77816

Prime factors of 77816 are 2, 71, 137. Prime factorization of 77816 in exponential form is:

77816 = 2³ × 71¹ × 137¹

Step-2: Prime Factorization of 77830

Prime factors of 77830 are 2, 5, 43, 181. Prime factorization of 77830 in exponential form is:

77830 = 2¹ × 5¹ × 43¹ × 181¹

Step-3: Factors of 77816

List of positive integer factors of 77816 that divides 77816 without a remainder.

1, 2, 4, 8, 71, 137, 142, 274, 284, 548, 568, 1096, 9727, 19454, 38908

Step-4: Factors of 77830

List of positive integer factors of 77830 that divides 77816 without a remainder.

1, 2, 5, 10, 43, 86, 181, 215, 362, 430, 905, 1810, 7783, 15566, 38915

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77816 and 77830. The biggest common factor number is the GCF number.
So the greatest common factor 77816 and 77830 is 2.

Also check out the Least Common Multiple of 77816 and 77830