What is the Greatest Common Factor of 97215 and 97221?

Greatest common factor (GCF) of 97215 and 97221 is 3.

GCF(97215,97221) = 3

We will now calculate the prime factors of 97215 and 97221, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 97215 and 97221.

How to find the GCF of 97215 and 97221?

We will first find the prime factorization of 97215 and 97221. After we will calculate the factors of 97215 and 97221 and find the biggest common factor number .

Step-1: Prime Factorization of 97215

Prime factors of 97215 are 3, 5, 6481. Prime factorization of 97215 in exponential form is:

97215 = 3¹ × 5¹ × 6481¹

Step-2: Prime Factorization of 97221

Prime factors of 97221 are 3, 23, 1409. Prime factorization of 97221 in exponential form is:

97221 = 3¹ × 23¹ × 1409¹

Step-3: Factors of 97215

List of positive integer factors of 97215 that divides 97215 without a remainder.

1, 3, 5, 15, 6481, 19443, 32405

Step-4: Factors of 97221

List of positive integer factors of 97221 that divides 97215 without a remainder.

1, 3, 23, 69, 1409, 4227, 32407

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 97215 and 97221. The biggest common factor number is the GCF number.
So the greatest common factor 97215 and 97221 is 3.

Also check out the Least Common Multiple of 97215 and 97221