What is the Greatest Common Factor of 3715 and 3720?

Greatest common factor (GCF) of 3715 and 3720 is 5.

GCF(3715,3720) = 5

We will now calculate the prime factors of 3715 and 3720, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3715 and 3720.

How to find the GCF of 3715 and 3720?

We will first find the prime factorization of 3715 and 3720. After we will calculate the factors of 3715 and 3720 and find the biggest common factor number .

Step-1: Prime Factorization of 3715

Prime factors of 3715 are 5, 743. Prime factorization of 3715 in exponential form is:

3715 = 5¹ × 743¹

Step-2: Prime Factorization of 3720

Prime factors of 3720 are 2, 3, 5, 31. Prime factorization of 3720 in exponential form is:

3720 = 2³ × 3¹ × 5¹ × 31¹

Step-3: Factors of 3715

List of positive integer factors of 3715 that divides 3715 without a remainder.

1, 5, 743

Step-4: Factors of 3720

List of positive integer factors of 3720 that divides 3715 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3715 and 3720. The biggest common factor number is the GCF number.
So the greatest common factor 3715 and 3720 is 5.

Also check out the Least Common Multiple of 3715 and 3720