What is the Greatest Common Factor of 90005 and 90015?

Greatest common factor (GCF) of 90005 and 90015 is 5.

GCF(90005,90015) = 5

We will now calculate the prime factors of 90005 and 90015, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90005 and 90015.

How to find the GCF of 90005 and 90015?

We will first find the prime factorization of 90005 and 90015. After we will calculate the factors of 90005 and 90015 and find the biggest common factor number .

Step-1: Prime Factorization of 90005

Prime factors of 90005 are 5, 47, 383. Prime factorization of 90005 in exponential form is:

90005 = 5¹ × 47¹ × 383¹

Step-2: Prime Factorization of 90015

Prime factors of 90015 are 3, 5, 17, 353. Prime factorization of 90015 in exponential form is:

90015 = 3¹ × 5¹ × 17¹ × 353¹

Step-3: Factors of 90005

List of positive integer factors of 90005 that divides 90005 without a remainder.

1, 5, 47, 235, 383, 1915, 18001

Step-4: Factors of 90015

List of positive integer factors of 90015 that divides 90005 without a remainder.

1, 3, 5, 15, 17, 51, 85, 255, 353, 1059, 1765, 5295, 6001, 18003, 30005

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90005 and 90015. The biggest common factor number is the GCF number.
So the greatest common factor 90005 and 90015 is 5.

Also check out the Least Common Multiple of 90005 and 90015