What is the Greatest Common Factor of 17680 and 17691?

Greatest common factor (GCF) of 17680 and 17691 is 1.

GCF(17680,17691) = 1

We will now calculate the prime factors of 17680 and 17691, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17680 and 17691.

How to find the GCF of 17680 and 17691?

We will first find the prime factorization of 17680 and 17691. After we will calculate the factors of 17680 and 17691 and find the biggest common factor number .

Step-1: Prime Factorization of 17680

Prime factors of 17680 are 2, 5, 13, 17. Prime factorization of 17680 in exponential form is:

17680 = 2⁴ × 5¹ × 13¹ × 17¹

Step-2: Prime Factorization of 17691

Prime factors of 17691 are 3, 5897. Prime factorization of 17691 in exponential form is:

17691 = 3¹ × 5897¹

Step-3: Factors of 17680

List of positive integer factors of 17680 that divides 17680 without a remainder.

1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840

Step-4: Factors of 17691

List of positive integer factors of 17691 that divides 17680 without a remainder.

1, 3, 5897

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17680 and 17691. The biggest common factor number is the GCF number.
So the greatest common factor 17680 and 17691 is 1.

Also check out the Least Common Multiple of 17680 and 17691