What is the Greatest Common Factor of 40287 and 40305?

Greatest common factor (GCF) of 40287 and 40305 is 3.

GCF(40287,40305) = 3

We will now calculate the prime factors of 40287 and 40305, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40287 and 40305.

How to find the GCF of 40287 and 40305?

We will first find the prime factorization of 40287 and 40305. After we will calculate the factors of 40287 and 40305 and find the biggest common factor number .

Step-1: Prime Factorization of 40287

Prime factors of 40287 are 3, 13, 1033. Prime factorization of 40287 in exponential form is:

40287 = 3¹ × 13¹ × 1033¹

Step-2: Prime Factorization of 40305

Prime factors of 40305 are 3, 5, 2687. Prime factorization of 40305 in exponential form is:

40305 = 3¹ × 5¹ × 2687¹

Step-3: Factors of 40287

List of positive integer factors of 40287 that divides 40287 without a remainder.

1, 3, 13, 39, 1033, 3099, 13429

Step-4: Factors of 40305

List of positive integer factors of 40305 that divides 40287 without a remainder.

1, 3, 5, 15, 2687, 8061, 13435

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40287 and 40305. The biggest common factor number is the GCF number.
So the greatest common factor 40287 and 40305 is 3.

Also check out the Least Common Multiple of 40287 and 40305