What is the Greatest Common Factor of 69980 and 69988?

Greatest common factor (GCF) of 69980 and 69988 is 4.

GCF(69980,69988) = 4

We will now calculate the prime factors of 69980 and 69988, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69980 and 69988.

How to find the GCF of 69980 and 69988?

We will first find the prime factorization of 69980 and 69988. After we will calculate the factors of 69980 and 69988 and find the biggest common factor number .

Step-1: Prime Factorization of 69980

Prime factors of 69980 are 2, 5, 3499. Prime factorization of 69980 in exponential form is:

69980 = 2² × 5¹ × 3499¹

Step-2: Prime Factorization of 69988

Prime factors of 69988 are 2, 17497. Prime factorization of 69988 in exponential form is:

69988 = 2² × 17497¹

Step-3: Factors of 69980

List of positive integer factors of 69980 that divides 69980 without a remainder.

1, 2, 4, 5, 10, 20, 3499, 6998, 13996, 17495, 34990

Step-4: Factors of 69988

List of positive integer factors of 69988 that divides 69980 without a remainder.

1, 2, 4, 17497, 34994

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69980 and 69988. The biggest common factor number is the GCF number.
So the greatest common factor 69980 and 69988 is 4.

Also check out the Least Common Multiple of 69980 and 69988