What is the Greatest Common Factor of 17958 and 17970?

Greatest common factor (GCF) of 17958 and 17970 is 6.

GCF(17958,17970) = 6

We will now calculate the prime factors of 17958 and 17970, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17958 and 17970.

How to find the GCF of 17958 and 17970?

We will first find the prime factorization of 17958 and 17970. After we will calculate the factors of 17958 and 17970 and find the biggest common factor number .

Step-1: Prime Factorization of 17958

Prime factors of 17958 are 2, 3, 41, 73. Prime factorization of 17958 in exponential form is:

17958 = 2¹ × 3¹ × 41¹ × 73¹

Step-2: Prime Factorization of 17970

Prime factors of 17970 are 2, 3, 5, 599. Prime factorization of 17970 in exponential form is:

17970 = 2¹ × 3¹ × 5¹ × 599¹

Step-3: Factors of 17958

List of positive integer factors of 17958 that divides 17958 without a remainder.

1, 2, 3, 6, 41, 73, 82, 123, 146, 219, 246, 438, 2993, 5986, 8979

Step-4: Factors of 17970

List of positive integer factors of 17970 that divides 17958 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 599, 1198, 1797, 2995, 3594, 5990, 8985

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17958 and 17970. The biggest common factor number is the GCF number.
So the greatest common factor 17958 and 17970 is 6.

Also check out the Least Common Multiple of 17958 and 17970