What is the Greatest Common Factor of 38790 and 38808?

Greatest common factor (GCF) of 38790 and 38808 is 18.

GCF(38790,38808) = 18

We will now calculate the prime factors of 38790 and 38808, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38790 and 38808.

How to find the GCF of 38790 and 38808?

We will first find the prime factorization of 38790 and 38808. After we will calculate the factors of 38790 and 38808 and find the biggest common factor number .

Step-1: Prime Factorization of 38790

Prime factors of 38790 are 2, 3, 5, 431. Prime factorization of 38790 in exponential form is:

38790 = 2¹ × 3² × 5¹ × 431¹

Step-2: Prime Factorization of 38808

Prime factors of 38808 are 2, 3, 7, 11. Prime factorization of 38808 in exponential form is:

38808 = 2³ × 3² × 7² × 11¹

Step-3: Factors of 38790

List of positive integer factors of 38790 that divides 38790 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 431, 862, 1293, 2155, 2586, 3879, 4310, 6465, 7758, 12930, 19395

Step-4: Factors of 38808

List of positive integer factors of 38808 that divides 38790 without a remainder.

1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 44, 49, 56, 63, 66, 72, 77, 84, 88, 98, 99, 126, 132, 147, 154, 168, 196, 198, 231, 252, 264, 294, 308, 392, 396, 441, 462, 504, 539, 588, 616, 693, 792, 882, 924, 1078, 1176, 1386, 1617, 1764, 1848, 2156, 2772, 3234, 3528, 4312, 4851, 5544, 6468, 9702, 12936, 19404

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38790 and 38808. The biggest common factor number is the GCF number.
So the greatest common factor 38790 and 38808 is 18.

Also check out the Least Common Multiple of 38790 and 38808