What is the Greatest Common Factor of 57270 and 57285?

Greatest common factor (GCF) of 57270 and 57285 is 15.

GCF(57270,57285) = 15

We will now calculate the prime factors of 57270 and 57285, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57270 and 57285.

How to find the GCF of 57270 and 57285?

We will first find the prime factorization of 57270 and 57285. After we will calculate the factors of 57270 and 57285 and find the biggest common factor number .

Step-1: Prime Factorization of 57270

Prime factors of 57270 are 2, 3, 5, 23, 83. Prime factorization of 57270 in exponential form is:

57270 = 2¹ × 3¹ × 5¹ × 23¹ × 83¹

Step-2: Prime Factorization of 57285

Prime factors of 57285 are 3, 5, 19, 67. Prime factorization of 57285 in exponential form is:

57285 = 3² × 5¹ × 19¹ × 67¹

Step-3: Factors of 57270

List of positive integer factors of 57270 that divides 57270 without a remainder.

1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 83, 115, 138, 166, 230, 249, 345, 415, 498, 690, 830, 1245, 1909, 2490, 3818, 5727, 9545, 11454, 19090, 28635

Step-4: Factors of 57285

List of positive integer factors of 57285 that divides 57270 without a remainder.

1, 3, 5, 9, 15, 19, 45, 57, 67, 95, 171, 201, 285, 335, 603, 855, 1005, 1273, 3015, 3819, 6365, 11457, 19095

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 57270 and 57285. The biggest common factor number is the GCF number.
So the greatest common factor 57270 and 57285 is 15.

Also check out the Least Common Multiple of 57270 and 57285