What is the Greatest Common Factor of 18417 and 18424?

Greatest common factor (GCF) of 18417 and 18424 is 7.

GCF(18417,18424) = 7

We will now calculate the prime factors of 18417 and 18424, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18417 and 18424.

How to find the GCF of 18417 and 18424?

We will first find the prime factorization of 18417 and 18424. After we will calculate the factors of 18417 and 18424 and find the biggest common factor number .

Step-1: Prime Factorization of 18417

Prime factors of 18417 are 3, 7, 877. Prime factorization of 18417 in exponential form is:

18417 = 3¹ × 7¹ × 877¹

Step-2: Prime Factorization of 18424

Prime factors of 18424 are 2, 7, 47. Prime factorization of 18424 in exponential form is:

18424 = 2³ × 7² × 47¹

Step-3: Factors of 18417

List of positive integer factors of 18417 that divides 18417 without a remainder.

1, 3, 7, 21, 877, 2631, 6139

Step-4: Factors of 18424

List of positive integer factors of 18424 that divides 18417 without a remainder.

1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 329, 376, 392, 658, 1316, 2303, 2632, 4606, 9212

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18417 and 18424. The biggest common factor number is the GCF number.
So the greatest common factor 18417 and 18424 is 7.

Also check out the Least Common Multiple of 18417 and 18424