What is the Greatest Common Factor of 90605 and 90625?

Greatest common factor (GCF) of 90605 and 90625 is 5.

GCF(90605,90625) = 5

We will now calculate the prime factors of 90605 and 90625, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90605 and 90625.

How to find the GCF of 90605 and 90625?

We will first find the prime factorization of 90605 and 90625. After we will calculate the factors of 90605 and 90625 and find the biggest common factor number .

Step-1: Prime Factorization of 90605

Prime factors of 90605 are 5, 18121. Prime factorization of 90605 in exponential form is:

90605 = 5¹ × 18121¹

Step-2: Prime Factorization of 90625

Prime factors of 90625 are 5, 29. Prime factorization of 90625 in exponential form is:

90625 = 5⁵ × 29¹

Step-3: Factors of 90605

List of positive integer factors of 90605 that divides 90605 without a remainder.

1, 5, 18121

Step-4: Factors of 90625

List of positive integer factors of 90625 that divides 90605 without a remainder.

1, 5, 25, 29, 125, 145, 625, 725, 3125, 3625, 18125

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90605 and 90625. The biggest common factor number is the GCF number.
So the greatest common factor 90605 and 90625 is 5.

Also check out the Least Common Multiple of 90605 and 90625