What is the Greatest Common Factor of 90345 and 90355?

Greatest common factor (GCF) of 90345 and 90355 is 5.

GCF(90345,90355) = 5

We will now calculate the prime factors of 90345 and 90355, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90345 and 90355.

How to find the GCF of 90345 and 90355?

We will first find the prime factorization of 90345 and 90355. After we will calculate the factors of 90345 and 90355 and find the biggest common factor number .

Step-1: Prime Factorization of 90345

Prime factors of 90345 are 3, 5, 19, 317. Prime factorization of 90345 in exponential form is:

90345 = 3¹ × 5¹ × 19¹ × 317¹

Step-2: Prime Factorization of 90355

Prime factors of 90355 are 5, 17, 1063. Prime factorization of 90355 in exponential form is:

90355 = 5¹ × 17¹ × 1063¹

Step-3: Factors of 90345

List of positive integer factors of 90345 that divides 90345 without a remainder.

1, 3, 5, 15, 19, 57, 95, 285, 317, 951, 1585, 4755, 6023, 18069, 30115

Step-4: Factors of 90355

List of positive integer factors of 90355 that divides 90345 without a remainder.

1, 5, 17, 85, 1063, 5315, 18071

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90345 and 90355. The biggest common factor number is the GCF number.
So the greatest common factor 90345 and 90355 is 5.

Also check out the Least Common Multiple of 90345 and 90355