What is the Greatest Common Factor of 90628 and 90642?

Greatest common factor (GCF) of 90628 and 90642 is 2.

GCF(90628,90642) = 2

We will now calculate the prime factors of 90628 and 90642, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90628 and 90642.

How to find the GCF of 90628 and 90642?

We will first find the prime factorization of 90628 and 90642. After we will calculate the factors of 90628 and 90642 and find the biggest common factor number .

Step-1: Prime Factorization of 90628

Prime factors of 90628 are 2, 139, 163. Prime factorization of 90628 in exponential form is:

90628 = 2² × 139¹ × 163¹

Step-2: Prime Factorization of 90642

Prime factors of 90642 are 2, 3, 15107. Prime factorization of 90642 in exponential form is:

90642 = 2¹ × 3¹ × 15107¹

Step-3: Factors of 90628

List of positive integer factors of 90628 that divides 90628 without a remainder.

1, 2, 4, 139, 163, 278, 326, 556, 652, 22657, 45314

Step-4: Factors of 90642

List of positive integer factors of 90642 that divides 90628 without a remainder.

1, 2, 3, 6, 15107, 30214, 45321

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90628 and 90642. The biggest common factor number is the GCF number.
So the greatest common factor 90628 and 90642 is 2.

Also check out the Least Common Multiple of 90628 and 90642