What is the Greatest Common Factor of 57281 and 57285?

Greatest common factor (GCF) of 57281 and 57285 is 1.

GCF(57281,57285) = 1

We will now calculate the prime factors of 57281 and 57285, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57281 and 57285.

How to find the GCF of 57281 and 57285?

We will first find the prime factorization of 57281 and 57285. After we will calculate the factors of 57281 and 57285 and find the biggest common factor number .

Step-1: Prime Factorization of 57281

Prime factors of 57281 are 7, 167. Prime factorization of 57281 in exponential form is:

57281 = 7³ × 167¹

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 57281

List of positive integer factors of 57281 that divides 57281 without a remainder.

1, 7, 49, 167, 343, 1169, 8183

Step-4: Factors of 57285

List of positive integer factors of 57285 that divides 57281 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 57281 and 57285. The biggest common factor number is the GCF number.
So the greatest common factor 57281 and 57285 is 1.

Also check out the Least Common Multiple of 57281 and 57285