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What is the Greatest Common Factor of 16491 and 16511?

Greatest common factor (GCF) of 16491 and 16511 is 1.

GCF(16491,16511) = 1

We will now calculate the prime factors of 16491 and 16511, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16491 and 16511.

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How to find the GCF of 16491 and 16511?

We will first find the prime factorization of 16491 and 16511. After we will calculate the factors of 16491 and 16511 and find the biggest common factor number .

Step-1: Prime Factorization of 16491

Prime factors of 16491 are 3, 23, 239. Prime factorization of 16491 in exponential form is:

16491 = 31 × 231 × 2391

Step-2: Prime Factorization of 16511

Prime factors of 16511 are 11, 19, 79. Prime factorization of 16511 in exponential form is:

16511 = 111 × 191 × 791

Step-3: Factors of 16491

List of positive integer factors of 16491 that divides 16491 without a remainder.

1, 3, 23, 69, 239, 717, 5497

Step-4: Factors of 16511

List of positive integer factors of 16511 that divides 16491 without a remainder.

1, 11, 19, 79, 209, 869, 1501

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16491 and 16511. The biggest common factor number is the GCF number.
So the greatest common factor 16491 and 16511 is 1.

Also check out the Least Common Multiple of 16491 and 16511