What is the Greatest Common Factor of 40708 and 40720?

Greatest common factor (GCF) of 40708 and 40720 is 4.

GCF(40708,40720) = 4

We will now calculate the prime factors of 40708 and 40720, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40708 and 40720.

How to find the GCF of 40708 and 40720?

We will first find the prime factorization of 40708 and 40720. After we will calculate the factors of 40708 and 40720 and find the biggest common factor number .

Step-1: Prime Factorization of 40708

Prime factors of 40708 are 2, 10177. Prime factorization of 40708 in exponential form is:

40708 = 2² × 10177¹

Step-2: Prime Factorization of 40720

Prime factors of 40720 are 2, 5, 509. Prime factorization of 40720 in exponential form is:

40720 = 2⁴ × 5¹ × 509¹

Step-3: Factors of 40708

List of positive integer factors of 40708 that divides 40708 without a remainder.

1, 2, 4, 10177, 20354

Step-4: Factors of 40720

List of positive integer factors of 40720 that divides 40708 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 1018, 2036, 2545, 4072, 5090, 8144, 10180, 20360

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40708 and 40720. The biggest common factor number is the GCF number.
So the greatest common factor 40708 and 40720 is 4.

Also check out the Least Common Multiple of 40708 and 40720