What is the Greatest Common Factor of 30772 and 30788?

Greatest common factor (GCF) of 30772 and 30788 is 4.

GCF(30772,30788) = 4

We will now calculate the prime factors of 30772 and 30788, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30772 and 30788.

How to find the GCF of 30772 and 30788?

We will first find the prime factorization of 30772 and 30788. After we will calculate the factors of 30772 and 30788 and find the biggest common factor number .

Step-1: Prime Factorization of 30772

Prime factors of 30772 are 2, 7, 157. Prime factorization of 30772 in exponential form is:

30772 = 2² × 7² × 157¹

Step-2: Prime Factorization of 30788

Prime factors of 30788 are 2, 43, 179. Prime factorization of 30788 in exponential form is:

30788 = 2² × 43¹ × 179¹

Step-3: Factors of 30772

List of positive integer factors of 30772 that divides 30772 without a remainder.

1, 2, 4, 7, 14, 28, 49, 98, 157, 196, 314, 628, 1099, 2198, 4396, 7693, 15386

Step-4: Factors of 30788

List of positive integer factors of 30788 that divides 30772 without a remainder.

1, 2, 4, 43, 86, 172, 179, 358, 716, 7697, 15394

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30772 and 30788. The biggest common factor number is the GCF number.
So the greatest common factor 30772 and 30788 is 4.

Also check out the Least Common Multiple of 30772 and 30788