What is the Greatest Common Factor of 55375 and 55390?

Greatest common factor (GCF) of 55375 and 55390 is 5.

GCF(55375,55390) = 5

We will now calculate the prime factors of 55375 and 55390, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55375 and 55390.

How to find the GCF of 55375 and 55390?

We will first find the prime factorization of 55375 and 55390. After we will calculate the factors of 55375 and 55390 and find the biggest common factor number .

Step-1: Prime Factorization of 55375

Prime factors of 55375 are 5, 443. Prime factorization of 55375 in exponential form is:

55375 = 5³ × 443¹

Step-2: Prime Factorization of 55390

Prime factors of 55390 are 2, 5, 29, 191. Prime factorization of 55390 in exponential form is:

55390 = 2¹ × 5¹ × 29¹ × 191¹

Step-3: Factors of 55375

List of positive integer factors of 55375 that divides 55375 without a remainder.

1, 5, 25, 125, 443, 2215, 11075

Step-4: Factors of 55390

List of positive integer factors of 55390 that divides 55375 without a remainder.

1, 2, 5, 10, 29, 58, 145, 191, 290, 382, 955, 1910, 5539, 11078, 27695

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55375 and 55390. The biggest common factor number is the GCF number.
So the greatest common factor 55375 and 55390 is 5.

Also check out the Least Common Multiple of 55375 and 55390