What is the Greatest Common Factor of 45243 and 45258?

Greatest common factor (GCF) of 45243 and 45258 is 3.

GCF(45243,45258) = 3

We will now calculate the prime factors of 45243 and 45258, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 45243 and 45258.

How to find the GCF of 45243 and 45258?

We will first find the prime factorization of 45243 and 45258. After we will calculate the factors of 45243 and 45258 and find the biggest common factor number .

Step-1: Prime Factorization of 45243

Prime factors of 45243 are 3, 11, 457. Prime factorization of 45243 in exponential form is:

45243 = 3² × 11¹ × 457¹

Step-2: Prime Factorization of 45258

Prime factors of 45258 are 2, 3, 19, 397. Prime factorization of 45258 in exponential form is:

45258 = 2¹ × 3¹ × 19¹ × 397¹

Step-3: Factors of 45243

List of positive integer factors of 45243 that divides 45243 without a remainder.

1, 3, 9, 11, 33, 99, 457, 1371, 4113, 5027, 15081

Step-4: Factors of 45258

List of positive integer factors of 45258 that divides 45243 without a remainder.

1, 2, 3, 6, 19, 38, 57, 114, 397, 794, 1191, 2382, 7543, 15086, 22629

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 45243 and 45258. The biggest common factor number is the GCF number.
So the greatest common factor 45243 and 45258 is 3.

Also check out the Least Common Multiple of 45243 and 45258