What is the Greatest Common Factor of 45020 and 45040?

Greatest common factor (GCF) of 45020 and 45040 is 20.

GCF(45020,45040) = 20

We will now calculate the prime factors of 45020 and 45040, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 45020 and 45040.

How to find the GCF of 45020 and 45040?

We will first find the prime factorization of 45020 and 45040. After we will calculate the factors of 45020 and 45040 and find the biggest common factor number .

Step-1: Prime Factorization of 45020

Prime factors of 45020 are 2, 5, 2251. Prime factorization of 45020 in exponential form is:

45020 = 2² × 5¹ × 2251¹

Step-2: Prime Factorization of 45040

Prime factors of 45040 are 2, 5, 563. Prime factorization of 45040 in exponential form is:

45040 = 2⁴ × 5¹ × 563¹

Step-3: Factors of 45020

List of positive integer factors of 45020 that divides 45020 without a remainder.

1, 2, 4, 5, 10, 20, 2251, 4502, 9004, 11255, 22510

Step-4: Factors of 45040

List of positive integer factors of 45040 that divides 45020 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 1126, 2252, 2815, 4504, 5630, 9008, 11260, 22520

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 45020 and 45040. The biggest common factor number is the GCF number.
So the greatest common factor 45020 and 45040 is 20.

Also check out the Least Common Multiple of 45020 and 45040