What is the Greatest Common Factor of 45220 and 45238?

Greatest common factor (GCF) of 45220 and 45238 is 2.

GCF(45220,45238) = 2

We will now calculate the prime factors of 45220 and 45238, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 45220 and 45238.

How to find the GCF of 45220 and 45238?

We will first find the prime factorization of 45220 and 45238. After we will calculate the factors of 45220 and 45238 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 45238

Prime factors of 45238 are 2, 22619. Prime factorization of 45238 in exponential form is:

45238 = 2¹ × 22619¹

Step-3: Factors of 45220

List of positive integer factors of 45220 that divides 45220 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

Step-4: Factors of 45238

List of positive integer factors of 45238 that divides 45220 without a remainder.

1, 2, 22619

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 45220 and 45238. The biggest common factor number is the GCF number.
So the greatest common factor 45220 and 45238 is 2.

Also check out the Least Common Multiple of 45220 and 45238