What is the Greatest Common Factor of 90978 and 90989?

Greatest common factor (GCF) of 90978 and 90989 is 1.

GCF(90978,90989) = 1

We will now calculate the prime factors of 90978 and 90989, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90978 and 90989.

How to find the GCF of 90978 and 90989?

We will first find the prime factorization of 90978 and 90989. After we will calculate the factors of 90978 and 90989 and find the biggest common factor number .

Step-1: Prime Factorization of 90978

Prime factors of 90978 are 2, 3, 59, 257. Prime factorization of 90978 in exponential form is:

90978 = 2¹ × 3¹ × 59¹ × 257¹

Step-2: Prime Factorization of 90989

Prime factors of 90989 are 90989. Prime factorization of 90989 in exponential form is:

90989 = 90989¹

Step-3: Factors of 90978

List of positive integer factors of 90978 that divides 90978 without a remainder.

1, 2, 3, 6, 59, 118, 177, 257, 354, 514, 771, 1542, 15163, 30326, 45489

Step-4: Factors of 90989

List of positive integer factors of 90989 that divides 90978 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90978 and 90989. The biggest common factor number is the GCF number.
So the greatest common factor 90978 and 90989 is 1.

Also check out the Least Common Multiple of 90978 and 90989