What is the Greatest Common Factor of 18361 and 18380?

Greatest common factor (GCF) of 18361 and 18380 is 1.

GCF(18361,18380) = 1

We will now calculate the prime factors of 18361 and 18380, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18361 and 18380.

How to find the GCF of 18361 and 18380?

We will first find the prime factorization of 18361 and 18380. After we will calculate the factors of 18361 and 18380 and find the biggest common factor number .

Step-1: Prime Factorization of 18361

Prime factors of 18361 are 7, 43, 61. Prime factorization of 18361 in exponential form is:

18361 = 7¹ × 43¹ × 61¹

Step-2: Prime Factorization of 18380

Prime factors of 18380 are 2, 5, 919. Prime factorization of 18380 in exponential form is:

18380 = 2² × 5¹ × 919¹

Step-3: Factors of 18361

List of positive integer factors of 18361 that divides 18361 without a remainder.

1, 7, 43, 61, 301, 427, 2623

Step-4: Factors of 18380

List of positive integer factors of 18380 that divides 18361 without a remainder.

1, 2, 4, 5, 10, 20, 919, 1838, 3676, 4595, 9190

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18361 and 18380. The biggest common factor number is the GCF number.
So the greatest common factor 18361 and 18380 is 1.

Also check out the Least Common Multiple of 18361 and 18380