What is the Greatest Common Factor of 57981 and 57985?

Greatest common factor (GCF) of 57981 and 57985 is 1.

GCF(57981,57985) = 1

We will now calculate the prime factors of 57981 and 57985, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57981 and 57985.

How to find the GCF of 57981 and 57985?

We will first find the prime factorization of 57981 and 57985. After we will calculate the factors of 57981 and 57985 and find the biggest common factor number .

Step-1: Prime Factorization of 57981

Prime factors of 57981 are 3, 7, 11, 251. Prime factorization of 57981 in exponential form is:

57981 = 3¹ × 7¹ × 11¹ × 251¹

Step-2: Prime Factorization of 57985

Prime factors of 57985 are 5, 11597. Prime factorization of 57985 in exponential form is:

57985 = 5¹ × 11597¹

Step-3: Factors of 57981

List of positive integer factors of 57981 that divides 57981 without a remainder.

1, 3, 7, 11, 21, 33, 77, 231, 251, 753, 1757, 2761, 5271, 8283, 19327

Step-4: Factors of 57985

List of positive integer factors of 57985 that divides 57981 without a remainder.

1, 5, 11597

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 57981 and 57985. The biggest common factor number is the GCF number.
So the greatest common factor 57981 and 57985 is 1.

Also check out the Least Common Multiple of 57981 and 57985