What is the Greatest Common Factor of 620 and 632?

Greatest common factor (GCF) of 620 and 632 is 4.

GCF(620,632) = 4

We will now calculate the prime factors of 620 and 632, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 620 and 632.

How to find the GCF of 620 and 632?

We will first find the prime factorization of 620 and 632. After we will calculate the factors of 620 and 632 and find the biggest common factor number .

Step-1: Prime Factorization of 620

Prime factors of 620 are 2, 5, 31. Prime factorization of 620 in exponential form is:

620 = 2² × 5¹ × 31¹

Step-2: Prime Factorization of 632

Prime factors of 632 are 2, 79. Prime factorization of 632 in exponential form is:

632 = 2³ × 79¹

Step-3: Factors of 620

List of positive integer factors of 620 that divides 620 without a remainder.

1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310

Step-4: Factors of 632

List of positive integer factors of 632 that divides 620 without a remainder.

1, 2, 4, 8, 79, 158, 316

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 620 and 632. The biggest common factor number is the GCF number.
So the greatest common factor 620 and 632 is 4.

Also check out the Least Common Multiple of 620 and 632