What is the Greatest Common Factor of 90975 and 90985?

Greatest common factor (GCF) of 90975 and 90985 is 5.

GCF(90975,90985) = 5

We will now calculate the prime factors of 90975 and 90985, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90975 and 90985.

How to find the GCF of 90975 and 90985?

We will first find the prime factorization of 90975 and 90985. After we will calculate the factors of 90975 and 90985 and find the biggest common factor number .

Step-1: Prime Factorization of 90975

Prime factors of 90975 are 3, 5, 1213. Prime factorization of 90975 in exponential form is:

90975 = 3¹ × 5² × 1213¹

Step-2: Prime Factorization of 90985

Prime factors of 90985 are 5, 31, 587. Prime factorization of 90985 in exponential form is:

90985 = 5¹ × 31¹ × 587¹

Step-3: Factors of 90975

List of positive integer factors of 90975 that divides 90975 without a remainder.

1, 3, 5, 15, 25, 75, 1213, 3639, 6065, 18195, 30325

Step-4: Factors of 90985

List of positive integer factors of 90985 that divides 90975 without a remainder.

1, 5, 31, 155, 587, 2935, 18197

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90975 and 90985. The biggest common factor number is the GCF number.
So the greatest common factor 90975 and 90985 is 5.

Also check out the Least Common Multiple of 90975 and 90985