What is the Greatest Common Factor of 57985 and 57990?

Greatest common factor (GCF) of 57985 and 57990 is 5.

GCF(57985,57990) = 5

We will now calculate the prime factors of 57985 and 57990, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57985 and 57990.

How to find the GCF of 57985 and 57990?

We will first find the prime factorization of 57985 and 57990. After we will calculate the factors of 57985 and 57990 and find the biggest common factor number .

Step-1: Prime Factorization of 57985

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

57985 = 5¹ × 11597¹

Step-2: Prime Factorization of 57990

Prime factors of 57990 are 2, 3, 5, 1933. Prime factorization of 57990 in exponential form is:

57990 = 2¹ × 3¹ × 5¹ × 1933¹

Step-3: Factors of 57985

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

1, 5, 11597

Step-4: Factors of 57990

List of positive integer factors of 57990 that divides 57985 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 1933, 3866, 5799, 9665, 11598, 19330, 28995

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 57985 and 57990. The biggest common factor number is the GCF number.
So the greatest common factor 57985 and 57990 is 5.

Also check out the Least Common Multiple of 57985 and 57990