What is the Greatest Common Factor of 91630 and 91638?

Greatest common factor (GCF) of 91630 and 91638 is 2.

GCF(91630,91638) = 2

We will now calculate the prime factors of 91630 and 91638, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91630 and 91638.

How to find the GCF of 91630 and 91638?

We will first find the prime factorization of 91630 and 91638. After we will calculate the factors of 91630 and 91638 and find the biggest common factor number .

Step-1: Prime Factorization of 91630

Prime factors of 91630 are 2, 5, 7, 11, 17. Prime factorization of 91630 in exponential form is:

91630 = 2¹ × 5¹ × 7² × 11¹ × 17¹

Step-2: Prime Factorization of 91638

Prime factors of 91638 are 2, 3, 1697. Prime factorization of 91638 in exponential form is:

91638 = 2¹ × 3³ × 1697¹

Step-3: Factors of 91630

List of positive integer factors of 91630 that divides 91630 without a remainder.

1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 49, 55, 70, 77, 85, 98, 110, 119, 154, 170, 187, 238, 245, 374, 385, 490, 539, 595, 770, 833, 935, 1078, 1190, 1309, 1666, 1870, 2618, 2695, 4165, 5390, 6545, 8330, 9163, 13090, 18326, 45815

Step-4: Factors of 91638

List of positive integer factors of 91638 that divides 91630 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 1697, 3394, 5091, 10182, 15273, 30546, 45819

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91630 and 91638. The biggest common factor number is the GCF number.
So the greatest common factor 91630 and 91638 is 2.

Also check out the Least Common Multiple of 91630 and 91638