What is the Greatest Common Factor of 28978 and 28988?

Greatest common factor (GCF) of 28978 and 28988 is 2.

GCF(28978,28988) = 2

We will now calculate the prime factors of 28978 and 28988, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28978 and 28988.

How to find the GCF of 28978 and 28988?

We will first find the prime factorization of 28978 and 28988. After we will calculate the factors of 28978 and 28988 and find the biggest common factor number .

Step-1: Prime Factorization of 28978

Prime factors of 28978 are 2, 14489. Prime factorization of 28978 in exponential form is:

28978 = 2¹ × 14489¹

Step-2: Prime Factorization of 28988

Prime factors of 28988 are 2, 7247. Prime factorization of 28988 in exponential form is:

28988 = 2² × 7247¹

Step-3: Factors of 28978

List of positive integer factors of 28978 that divides 28978 without a remainder.

1, 2, 14489

Step-4: Factors of 28988

List of positive integer factors of 28988 that divides 28978 without a remainder.

1, 2, 4, 7247, 14494

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28978 and 28988. The biggest common factor number is the GCF number.
So the greatest common factor 28978 and 28988 is 2.

Also check out the Least Common Multiple of 28978 and 28988