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What is the Greatest Common Factor of 2399 and 2405?

Greatest common factor (GCF) of 2399 and 2405 is 1.

GCF(2399,2405) = 1

We will now calculate the prime factors of 2399 and 2405, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2399 and 2405.

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How to find the GCF of 2399 and 2405?

We will first find the prime factorization of 2399 and 2405. After we will calculate the factors of 2399 and 2405 and find the biggest common factor number .

Step-1: Prime Factorization of 2399

Prime factors of 2399 are 2399. Prime factorization of 2399 in exponential form is:

2399 = 23991

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 2399

List of positive integer factors of 2399 that divides 2399 without a remainder.

1

Step-4: Factors of 2405

List of positive integer factors of 2405 that divides 2399 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2399 and 2405. The biggest common factor number is the GCF number.
So the greatest common factor 2399 and 2405 is 1.

Also check out the Least Common Multiple of 2399 and 2405