What is the Greatest Common Factor of 19180 and 19185?

Greatest common factor (GCF) of 19180 and 19185 is 5.

GCF(19180,19185) = 5

We will now calculate the prime factors of 19180 and 19185, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19180 and 19185.

How to find the GCF of 19180 and 19185?

We will first find the prime factorization of 19180 and 19185. After we will calculate the factors of 19180 and 19185 and find the biggest common factor number .

Step-1: Prime Factorization of 19180

Prime factors of 19180 are 2, 5, 7, 137. Prime factorization of 19180 in exponential form is:

19180 = 2² × 5¹ × 7¹ × 137¹

Step-2: Prime Factorization of 19185

Prime factors of 19185 are 3, 5, 1279. Prime factorization of 19185 in exponential form is:

19185 = 3¹ × 5¹ × 1279¹

Step-3: Factors of 19180

List of positive integer factors of 19180 that divides 19180 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4795, 9590

Step-4: Factors of 19185

List of positive integer factors of 19185 that divides 19180 without a remainder.

1, 3, 5, 15, 1279, 3837, 6395

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19180 and 19185. The biggest common factor number is the GCF number.
So the greatest common factor 19180 and 19185 is 5.

Also check out the Least Common Multiple of 19180 and 19185