What is the Greatest Common Factor of 45072 and 45090?

Greatest common factor (GCF) of 45072 and 45090 is 18.

GCF(45072,45090) = 18

We will now calculate the prime factors of 45072 and 45090, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 45072 and 45090.

How to find the GCF of 45072 and 45090?

We will first find the prime factorization of 45072 and 45090. After we will calculate the factors of 45072 and 45090 and find the biggest common factor number .

Step-1: Prime Factorization of 45072

Prime factors of 45072 are 2, 3, 313. Prime factorization of 45072 in exponential form is:

45072 = 2⁴ × 3² × 313¹

Step-2: Prime Factorization of 45090

Prime factors of 45090 are 2, 3, 5, 167. Prime factorization of 45090 in exponential form is:

45090 = 2¹ × 3³ × 5¹ × 167¹

Step-3: Factors of 45072

List of positive integer factors of 45072 that divides 45072 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 313, 626, 939, 1252, 1878, 2504, 2817, 3756, 5008, 5634, 7512, 11268, 15024, 22536

Step-4: Factors of 45090

List of positive integer factors of 45090 that divides 45072 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 167, 270, 334, 501, 835, 1002, 1503, 1670, 2505, 3006, 4509, 5010, 7515, 9018, 15030, 22545

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 45072 and 45090. The biggest common factor number is the GCF number.
So the greatest common factor 45072 and 45090 is 18.

Also check out the Least Common Multiple of 45072 and 45090