What is the Greatest Common Factor of 45420 and 45438?

Greatest common factor (GCF) of 45420 and 45438 is 6.

GCF(45420,45438) = 6

We will now calculate the prime factors of 45420 and 45438, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 45420 and 45438.

How to find the GCF of 45420 and 45438?

We will first find the prime factorization of 45420 and 45438. After we will calculate the factors of 45420 and 45438 and find the biggest common factor number .

Step-1: Prime Factorization of 45420

Prime factors of 45420 are 2, 3, 5, 757. Prime factorization of 45420 in exponential form is:

45420 = 2² × 3¹ × 5¹ × 757¹

Step-2: Prime Factorization of 45438

Prime factors of 45438 are 2, 3, 7573. Prime factorization of 45438 in exponential form is:

45438 = 2¹ × 3¹ × 7573¹

Step-3: Factors of 45420

List of positive integer factors of 45420 that divides 45420 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 757, 1514, 2271, 3028, 3785, 4542, 7570, 9084, 11355, 15140, 22710

Step-4: Factors of 45438

List of positive integer factors of 45438 that divides 45420 without a remainder.

1, 2, 3, 6, 7573, 15146, 22719

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 45420 and 45438. The biggest common factor number is the GCF number.
So the greatest common factor 45420 and 45438 is 6.

Also check out the Least Common Multiple of 45420 and 45438