What is the Greatest Common Factor of 89415 and 89420?

Greatest common factor (GCF) of 89415 and 89420 is 5.

GCF(89415,89420) = 5

We will now calculate the prime factors of 89415 and 89420, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 89415 and 89420.

How to find the GCF of 89415 and 89420?

We will first find the prime factorization of 89415 and 89420. After we will calculate the factors of 89415 and 89420 and find the biggest common factor number .

Step-1: Prime Factorization of 89415

Prime factors of 89415 are 3, 5, 1987. Prime factorization of 89415 in exponential form is:

89415 = 3² × 5¹ × 1987¹

Step-2: Prime Factorization of 89420

Prime factors of 89420 are 2, 5, 17, 263. Prime factorization of 89420 in exponential form is:

89420 = 2² × 5¹ × 17¹ × 263¹

Step-3: Factors of 89415

List of positive integer factors of 89415 that divides 89415 without a remainder.

1, 3, 5, 9, 15, 45, 1987, 5961, 9935, 17883, 29805

Step-4: Factors of 89420

List of positive integer factors of 89420 that divides 89415 without a remainder.

1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 263, 340, 526, 1052, 1315, 2630, 4471, 5260, 8942, 17884, 22355, 44710

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 89415 and 89420. The biggest common factor number is the GCF number.
So the greatest common factor 89415 and 89420 is 5.

Also check out the Least Common Multiple of 89415 and 89420