What is the Greatest Common Factor of 98678 and 98690?

Greatest common factor (GCF) of 98678 and 98690 is 2.

GCF(98678,98690) = 2

We will now calculate the prime factors of 98678 and 98690, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 98678 and 98690.

How to find the GCF of 98678 and 98690?

We will first find the prime factorization of 98678 and 98690. After we will calculate the factors of 98678 and 98690 and find the biggest common factor number .

Step-1: Prime Factorization of 98678

Prime factors of 98678 are 2, 49339. Prime factorization of 98678 in exponential form is:

98678 = 2¹ × 49339¹

Step-2: Prime Factorization of 98690

Prime factors of 98690 are 2, 5, 71, 139. Prime factorization of 98690 in exponential form is:

98690 = 2¹ × 5¹ × 71¹ × 139¹

Step-3: Factors of 98678

List of positive integer factors of 98678 that divides 98678 without a remainder.

1, 2, 49339

Step-4: Factors of 98690

List of positive integer factors of 98690 that divides 98678 without a remainder.

1, 2, 5, 10, 71, 139, 142, 278, 355, 695, 710, 1390, 9869, 19738, 49345

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 98678 and 98690. The biggest common factor number is the GCF number.
So the greatest common factor 98678 and 98690 is 2.

Also check out the Least Common Multiple of 98678 and 98690