What is the Greatest Common Factor of 67281 and 67287?

Greatest common factor (GCF) of 67281 and 67287 is 3.

GCF(67281,67287) = 3

We will now calculate the prime factors of 67281 and 67287, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67281 and 67287.

How to find the GCF of 67281 and 67287?

We will first find the prime factorization of 67281 and 67287. After we will calculate the factors of 67281 and 67287 and find the biggest common factor number .

Step-1: Prime Factorization of 67281

Prime factors of 67281 are 3, 41, 547. Prime factorization of 67281 in exponential form is:

67281 = 3¹ × 41¹ × 547¹

Step-2: Prime Factorization of 67287

Prime factors of 67287 are 3, 11, 2039. Prime factorization of 67287 in exponential form is:

67287 = 3¹ × 11¹ × 2039¹

Step-3: Factors of 67281

List of positive integer factors of 67281 that divides 67281 without a remainder.

1, 3, 41, 123, 547, 1641, 22427

Step-4: Factors of 67287

List of positive integer factors of 67287 that divides 67281 without a remainder.

1, 3, 11, 33, 2039, 6117, 22429

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67281 and 67287. The biggest common factor number is the GCF number.
So the greatest common factor 67281 and 67287 is 3.

Also check out the Least Common Multiple of 67281 and 67287