What is the Greatest Common Factor of 16615 and 16620?

Greatest common factor (GCF) of 16615 and 16620 is 5.

GCF(16615,16620) = 5

We will now calculate the prime factors of 16615 and 16620, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16615 and 16620.

How to find the GCF of 16615 and 16620?

We will first find the prime factorization of 16615 and 16620. After we will calculate the factors of 16615 and 16620 and find the biggest common factor number .

Step-1: Prime Factorization of 16615

Prime factors of 16615 are 5, 3323. Prime factorization of 16615 in exponential form is:

16615 = 5¹ × 3323¹

Step-2: Prime Factorization of 16620

Prime factors of 16620 are 2, 3, 5, 277. Prime factorization of 16620 in exponential form is:

16620 = 2² × 3¹ × 5¹ × 277¹

Step-3: Factors of 16615

List of positive integer factors of 16615 that divides 16615 without a remainder.

1, 5, 3323

Step-4: Factors of 16620

List of positive integer factors of 16620 that divides 16615 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1108, 1385, 1662, 2770, 3324, 4155, 5540, 8310

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16615 and 16620. The biggest common factor number is the GCF number.
So the greatest common factor 16615 and 16620 is 5.

Also check out the Least Common Multiple of 16615 and 16620