What is the Greatest Common Factor of 12620 and 12630?

Greatest common factor (GCF) of 12620 and 12630 is 10.

GCF(12620,12630) = 10

We will now calculate the prime factors of 12620 and 12630, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12620 and 12630.

How to find the GCF of 12620 and 12630?

We will first find the prime factorization of 12620 and 12630. After we will calculate the factors of 12620 and 12630 and find the biggest common factor number .

Step-1: Prime Factorization of 12620

Prime factors of 12620 are 2, 5, 631. Prime factorization of 12620 in exponential form is:

12620 = 2² × 5¹ × 631¹

Step-2: Prime Factorization of 12630

Prime factors of 12630 are 2, 3, 5, 421. Prime factorization of 12630 in exponential form is:

12630 = 2¹ × 3¹ × 5¹ × 421¹

Step-3: Factors of 12620

List of positive integer factors of 12620 that divides 12620 without a remainder.

1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310

Step-4: Factors of 12630

List of positive integer factors of 12630 that divides 12620 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 421, 842, 1263, 2105, 2526, 4210, 6315

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12620 and 12630. The biggest common factor number is the GCF number.
So the greatest common factor 12620 and 12630 is 10.

Also check out the Least Common Multiple of 12620 and 12630