What is the Greatest Common Factor of 57942 and 57958?

Greatest common factor (GCF) of 57942 and 57958 is 2.

GCF(57942,57958) = 2

We will now calculate the prime factors of 57942 and 57958, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57942 and 57958.

How to find the GCF of 57942 and 57958?

We will first find the prime factorization of 57942 and 57958. After we will calculate the factors of 57942 and 57958 and find the biggest common factor number .

Step-1: Prime Factorization of 57942

Prime factors of 57942 are 2, 3, 29, 37. Prime factorization of 57942 in exponential form is:

57942 = 2¹ × 3³ × 29¹ × 37¹

Step-2: Prime Factorization of 57958

Prime factors of 57958 are 2, 28979. Prime factorization of 57958 in exponential form is:

57958 = 2¹ × 28979¹

Step-3: Factors of 57942

List of positive integer factors of 57942 that divides 57942 without a remainder.

1, 2, 3, 6, 9, 18, 27, 29, 37, 54, 58, 74, 87, 111, 174, 222, 261, 333, 522, 666, 783, 999, 1073, 1566, 1998, 2146, 3219, 6438, 9657, 19314, 28971

Step-4: Factors of 57958

List of positive integer factors of 57958 that divides 57942 without a remainder.

1, 2, 28979

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 57942 and 57958. The biggest common factor number is the GCF number.
So the greatest common factor 57942 and 57958 is 2.

Also check out the Least Common Multiple of 57942 and 57958