What is the Greatest Common Factor of 45720 and 45738?

Greatest common factor (GCF) of 45720 and 45738 is 18.

GCF(45720,45738) = 18

We will now calculate the prime factors of 45720 and 45738, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 45720 and 45738.

How to find the GCF of 45720 and 45738?

We will first find the prime factorization of 45720 and 45738. After we will calculate the factors of 45720 and 45738 and find the biggest common factor number .

Step-1: Prime Factorization of 45720

Prime factors of 45720 are 2, 3, 5, 127. Prime factorization of 45720 in exponential form is:

45720 = 2³ × 3² × 5¹ × 127¹

Step-2: Prime Factorization of 45738

Prime factors of 45738 are 2, 3, 7, 11. Prime factorization of 45738 in exponential form is:

45738 = 2¹ × 3³ × 7¹ × 11²

Step-3: Factors of 45720

List of positive integer factors of 45720 that divides 45720 without a remainder.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 127, 180, 254, 360, 381, 508, 635, 762, 1016, 1143, 1270, 1524, 1905, 2286, 2540, 3048, 3810, 4572, 5080, 5715, 7620, 9144, 11430, 15240, 22860

Step-4: Factors of 45738

List of positive integer factors of 45738 that divides 45720 without a remainder.

1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 99, 121, 126, 154, 189, 198, 231, 242, 297, 363, 378, 462, 594, 693, 726, 847, 1089, 1386, 1694, 2079, 2178, 2541, 3267, 4158, 5082, 6534, 7623, 15246, 22869

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 45720 and 45738. The biggest common factor number is the GCF number.
So the greatest common factor 45720 and 45738 is 18.

Also check out the Least Common Multiple of 45720 and 45738