GCF and LCM Calculator Logo

What is the Greatest Common Factor of 70978 and 70998?

Greatest common factor (GCF) of 70978 and 70998 is 2.

GCF(70978,70998) = 2

We will now calculate the prime factors of 70978 and 70998, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70978 and 70998.

GCF Calculator and
and

How to find the GCF of 70978 and 70998?

We will first find the prime factorization of 70978 and 70998. After we will calculate the factors of 70978 and 70998 and find the biggest common factor number .

Step-1: Prime Factorization of 70978

Prime factors of 70978 are 2, 23, 1543. Prime factorization of 70978 in exponential form is:

70978 = 21 × 231 × 15431

Step-2: Prime Factorization of 70998

Prime factors of 70998 are 2, 3, 11833. Prime factorization of 70998 in exponential form is:

70998 = 21 × 31 × 118331

Step-3: Factors of 70978

List of positive integer factors of 70978 that divides 70978 without a remainder.

1, 2, 23, 46, 1543, 3086, 35489

Step-4: Factors of 70998

List of positive integer factors of 70998 that divides 70978 without a remainder.

1, 2, 3, 6, 11833, 23666, 35499

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70978 and 70998. The biggest common factor number is the GCF number.
So the greatest common factor 70978 and 70998 is 2.

Also check out the Least Common Multiple of 70978 and 70998