What is the Greatest Common Factor of 45209 and 45220?

Greatest common factor (GCF) of 45209 and 45220 is 1.

GCF(45209,45220) = 1

We will now calculate the prime factors of 45209 and 45220, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 45209 and 45220.

How to find the GCF of 45209 and 45220?

We will first find the prime factorization of 45209 and 45220. After we will calculate the factors of 45209 and 45220 and find the biggest common factor number .

Step-1: Prime Factorization of 45209

Prime factors of 45209 are 53, 853. Prime factorization of 45209 in exponential form is:

45209 = 53¹ × 853¹

Step-2: Prime Factorization of 45220

Prime factors of 45220 are 2, 5, 7, 17, 19. Prime factorization of 45220 in exponential form is:

45220 = 2² × 5¹ × 7¹ × 17¹ × 19¹

Step-3: Factors of 45209

List of positive integer factors of 45209 that divides 45209 without a remainder.

1, 53, 853

Step-4: Factors of 45220

List of positive integer factors of 45220 that divides 45209 without a remainder.

1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 133, 140, 170, 190, 238, 266, 323, 340, 380, 476, 532, 595, 646, 665, 1190, 1292, 1330, 1615, 2261, 2380, 2660, 3230, 4522, 6460, 9044, 11305, 22610

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 45209 and 45220. The biggest common factor number is the GCF number.
So the greatest common factor 45209 and 45220 is 1.

Also check out the Least Common Multiple of 45209 and 45220