What is the Greatest Common Factor of 45381 and 45387?

Greatest common factor (GCF) of 45381 and 45387 is 3.

GCF(45381,45387) = 3

We will now calculate the prime factors of 45381 and 45387, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 45381 and 45387.

How to find the GCF of 45381 and 45387?

We will first find the prime factorization of 45381 and 45387. After we will calculate the factors of 45381 and 45387 and find the biggest common factor number .

Step-1: Prime Factorization of 45381

Prime factors of 45381 are 3, 7, 2161. Prime factorization of 45381 in exponential form is:

45381 = 3¹ × 7¹ × 2161¹

Step-2: Prime Factorization of 45387

Prime factors of 45387 are 3, 41. Prime factorization of 45387 in exponential form is:

45387 = 3³ × 41²

Step-3: Factors of 45381

List of positive integer factors of 45381 that divides 45381 without a remainder.

1, 3, 7, 21, 2161, 6483, 15127

Step-4: Factors of 45387

List of positive integer factors of 45387 that divides 45381 without a remainder.

1, 3, 9, 27, 41, 123, 369, 1107, 1681, 5043, 15129

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 45381 and 45387. The biggest common factor number is the GCF number.
So the greatest common factor 45381 and 45387 is 3.

Also check out the Least Common Multiple of 45381 and 45387