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What is the Greatest Common Factor of 16387 and 16405?

Greatest common factor (GCF) of 16387 and 16405 is 1.

GCF(16387,16405) = 1

We will now calculate the prime factors of 16387 and 16405, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16387 and 16405.

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How to find the GCF of 16387 and 16405?

We will first find the prime factorization of 16387 and 16405. After we will calculate the factors of 16387 and 16405 and find the biggest common factor number .

Step-1: Prime Factorization of 16387

Prime factors of 16387 are 7, 2341. Prime factorization of 16387 in exponential form is:

16387 = 71 × 23411

Step-2: Prime Factorization of 16405

Prime factors of 16405 are 5, 17, 193. Prime factorization of 16405 in exponential form is:

16405 = 51 × 171 × 1931

Step-3: Factors of 16387

List of positive integer factors of 16387 that divides 16387 without a remainder.

1, 7, 2341

Step-4: Factors of 16405

List of positive integer factors of 16405 that divides 16387 without a remainder.

1, 5, 17, 85, 193, 965, 3281

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16387 and 16405. The biggest common factor number is the GCF number.
So the greatest common factor 16387 and 16405 is 1.

Also check out the Least Common Multiple of 16387 and 16405