What is the Greatest Common Factor of 57009 and 57015?

Greatest common factor (GCF) of 57009 and 57015 is 3.

GCF(57009,57015) = 3

We will now calculate the prime factors of 57009 and 57015, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57009 and 57015.

How to find the GCF of 57009 and 57015?

We will first find the prime factorization of 57009 and 57015. After we will calculate the factors of 57009 and 57015 and find the biggest common factor number .

Step-1: Prime Factorization of 57009

Prime factors of 57009 are 3, 31, 613. Prime factorization of 57009 in exponential form is:

57009 = 3¹ × 31¹ × 613¹

Step-2: Prime Factorization of 57015

Prime factors of 57015 are 3, 5, 7, 181. Prime factorization of 57015 in exponential form is:

57015 = 3² × 5¹ × 7¹ × 181¹

Step-3: Factors of 57009

List of positive integer factors of 57009 that divides 57009 without a remainder.

1, 3, 31, 93, 613, 1839, 19003

Step-4: Factors of 57015

List of positive integer factors of 57015 that divides 57009 without a remainder.

1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 181, 315, 543, 905, 1267, 1629, 2715, 3801, 6335, 8145, 11403, 19005

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 57009 and 57015. The biggest common factor number is the GCF number.
So the greatest common factor 57009 and 57015 is 3.

Also check out the Least Common Multiple of 57009 and 57015