What is the Greatest Common Factor of 89715 and 89720?

Greatest common factor (GCF) of 89715 and 89720 is 5.

GCF(89715,89720) = 5

We will now calculate the prime factors of 89715 and 89720, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 89715 and 89720.

How to find the GCF of 89715 and 89720?

We will first find the prime factorization of 89715 and 89720. After we will calculate the factors of 89715 and 89720 and find the biggest common factor number .

Step-1: Prime Factorization of 89715

Prime factors of 89715 are 3, 5, 5981. Prime factorization of 89715 in exponential form is:

89715 = 3¹ × 5¹ × 5981¹

Step-2: Prime Factorization of 89720

Prime factors of 89720 are 2, 5, 2243. Prime factorization of 89720 in exponential form is:

89720 = 2³ × 5¹ × 2243¹

Step-3: Factors of 89715

List of positive integer factors of 89715 that divides 89715 without a remainder.

1, 3, 5, 15, 5981, 17943, 29905

Step-4: Factors of 89720

List of positive integer factors of 89720 that divides 89715 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 2243, 4486, 8972, 11215, 17944, 22430, 44860

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 89715 and 89720. The biggest common factor number is the GCF number.
So the greatest common factor 89715 and 89720 is 5.

Also check out the Least Common Multiple of 89715 and 89720