What is the Greatest Common Factor of 2387 and 2405?

Greatest common factor (GCF) of 2387 and 2405 is 1.

GCF(2387,2405) = 1

We will now calculate the prime factors of 2387 and 2405, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2387 and 2405.

How to find the GCF of 2387 and 2405?

We will first find the prime factorization of 2387 and 2405. After we will calculate the factors of 2387 and 2405 and find the biggest common factor number .

Step-1: Prime Factorization of 2387

Prime factors of 2387 are 7, 11, 31. Prime factorization of 2387 in exponential form is:

2387 = 7¹ × 11¹ × 31¹

Step-2: Prime Factorization of 2405

Prime factors of 2405 are 5, 13, 37. Prime factorization of 2405 in exponential form is:

2405 = 5¹ × 13¹ × 37¹

Step-3: Factors of 2387

List of positive integer factors of 2387 that divides 2387 without a remainder.

1, 7, 11, 31, 77, 217, 341

Step-4: Factors of 2405

List of positive integer factors of 2405 that divides 2387 without a remainder.

1, 5, 13, 37, 65, 185, 481

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2387 and 2405. The biggest common factor number is the GCF number.
So the greatest common factor 2387 and 2405 is 1.

Also check out the Least Common Multiple of 2387 and 2405