What is the Greatest Common Factor of 70215 and 70227?

Greatest common factor (GCF) of 70215 and 70227 is 3.

GCF(70215,70227) = 3

We will now calculate the prime factors of 70215 and 70227, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70215 and 70227.

How to find the GCF of 70215 and 70227?

We will first find the prime factorization of 70215 and 70227. After we will calculate the factors of 70215 and 70227 and find the biggest common factor number .

Step-1: Prime Factorization of 70215

Prime factors of 70215 are 3, 5, 31, 151. Prime factorization of 70215 in exponential form is:

70215 = 3¹ × 5¹ × 31¹ × 151¹

Step-2: Prime Factorization of 70227

Prime factors of 70227 are 3, 17. Prime factorization of 70227 in exponential form is:

70227 = 3⁵ × 17²

Step-3: Factors of 70215

List of positive integer factors of 70215 that divides 70215 without a remainder.

1, 3, 5, 15, 31, 93, 151, 155, 453, 465, 755, 2265, 4681, 14043, 23405

Step-4: Factors of 70227

List of positive integer factors of 70227 that divides 70215 without a remainder.

1, 3, 9, 17, 27, 51, 81, 153, 243, 289, 459, 867, 1377, 2601, 4131, 7803, 23409

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70215 and 70227. The biggest common factor number is the GCF number.
So the greatest common factor 70215 and 70227 is 3.

Also check out the Least Common Multiple of 70215 and 70227