What is the Greatest Common Factor of 17927 and 17940?

Greatest common factor (GCF) of 17927 and 17940 is 13.

GCF(17927,17940) = 13

We will now calculate the prime factors of 17927 and 17940, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17927 and 17940.

How to find the GCF of 17927 and 17940?

We will first find the prime factorization of 17927 and 17940. After we will calculate the factors of 17927 and 17940 and find the biggest common factor number .

Step-1: Prime Factorization of 17927

Prime factors of 17927 are 7, 13, 197. Prime factorization of 17927 in exponential form is:

17927 = 7¹ × 13¹ × 197¹

Step-2: Prime Factorization of 17940

Prime factors of 17940 are 2, 3, 5, 13, 23. Prime factorization of 17940 in exponential form is:

17940 = 2² × 3¹ × 5¹ × 13¹ × 23¹

Step-3: Factors of 17927

List of positive integer factors of 17927 that divides 17927 without a remainder.

1, 7, 13, 91, 197, 1379, 2561

Step-4: Factors of 17940

List of positive integer factors of 17940 that divides 17927 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 1196, 1380, 1495, 1794, 2990, 3588, 4485, 5980, 8970

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17927 and 17940. The biggest common factor number is the GCF number.
So the greatest common factor 17927 and 17940 is 13.

Also check out the Least Common Multiple of 17927 and 17940