What is the Greatest Common Factor of 3620 and 3635?

Greatest common factor (GCF) of 3620 and 3635 is 5.

GCF(3620,3635) = 5

We will now calculate the prime factors of 3620 and 3635, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3620 and 3635.

How to find the GCF of 3620 and 3635?

We will first find the prime factorization of 3620 and 3635. After we will calculate the factors of 3620 and 3635 and find the biggest common factor number .

Step-1: Prime Factorization of 3620

Prime factors of 3620 are 2, 5, 181. Prime factorization of 3620 in exponential form is:

3620 = 2² × 5¹ × 181¹

Step-2: Prime Factorization of 3635

Prime factors of 3635 are 5, 727. Prime factorization of 3635 in exponential form is:

3635 = 5¹ × 727¹

Step-3: Factors of 3620

List of positive integer factors of 3620 that divides 3620 without a remainder.

1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810

Step-4: Factors of 3635

List of positive integer factors of 3635 that divides 3620 without a remainder.

1, 5, 727

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3620 and 3635. The biggest common factor number is the GCF number.
So the greatest common factor 3620 and 3635 is 5.

Also check out the Least Common Multiple of 3620 and 3635