What is the Greatest Common Factor of 6958 and 6978?

Greatest common factor (GCF) of 6958 and 6978 is 2.

GCF(6958,6978) = 2

We will now calculate the prime factors of 6958 and 6978, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6958 and 6978.

How to find the GCF of 6958 and 6978?

We will first find the prime factorization of 6958 and 6978. After we will calculate the factors of 6958 and 6978 and find the biggest common factor number .

Step-1: Prime Factorization of 6958

Prime factors of 6958 are 2, 7, 71. Prime factorization of 6958 in exponential form is:

6958 = 2¹ × 7² × 71¹

Step-2: Prime Factorization of 6978

Prime factors of 6978 are 2, 3, 1163. Prime factorization of 6978 in exponential form is:

6978 = 2¹ × 3¹ × 1163¹

Step-3: Factors of 6958

List of positive integer factors of 6958 that divides 6958 without a remainder.

1, 2, 7, 14, 49, 71, 98, 142, 497, 994, 3479

Step-4: Factors of 6978

List of positive integer factors of 6978 that divides 6958 without a remainder.

1, 2, 3, 6, 1163, 2326, 3489

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6958 and 6978. The biggest common factor number is the GCF number.
So the greatest common factor 6958 and 6978 is 2.

Also check out the Least Common Multiple of 6958 and 6978