What is the Greatest Common Factor of 18403 and 18417?

Greatest common factor (GCF) of 18403 and 18417 is 7.

GCF(18403,18417) = 7

We will now calculate the prime factors of 18403 and 18417, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18403 and 18417.

How to find the GCF of 18403 and 18417?

We will first find the prime factorization of 18403 and 18417. After we will calculate the factors of 18403 and 18417 and find the biggest common factor number .

Step-1: Prime Factorization of 18403

Prime factors of 18403 are 7, 11, 239. Prime factorization of 18403 in exponential form is:

18403 = 7¹ × 11¹ × 239¹

Step-2: 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-3: Factors of 18403

List of positive integer factors of 18403 that divides 18403 without a remainder.

1, 7, 11, 77, 239, 1673, 2629

Step-4: Factors of 18417

List of positive integer factors of 18417 that divides 18403 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18403 and 18417. The biggest common factor number is the GCF number.
So the greatest common factor 18403 and 18417 is 7.

Also check out the Least Common Multiple of 18403 and 18417