What is the Greatest Common Factor of 99665 and 99670?

Greatest common factor (GCF) of 99665 and 99670 is 5.

GCF(99665,99670) = 5

We will now calculate the prime factors of 99665 and 99670, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 99665 and 99670.

How to find the GCF of 99665 and 99670?

We will first find the prime factorization of 99665 and 99670. After we will calculate the factors of 99665 and 99670 and find the biggest common factor number .

Step-1: Prime Factorization of 99665

Prime factors of 99665 are 5, 31, 643. Prime factorization of 99665 in exponential form is:

99665 = 5¹ × 31¹ × 643¹

Step-2: Prime Factorization of 99670

Prime factors of 99670 are 2, 5, 9967. Prime factorization of 99670 in exponential form is:

99670 = 2¹ × 5¹ × 9967¹

Step-3: Factors of 99665

List of positive integer factors of 99665 that divides 99665 without a remainder.

1, 5, 31, 155, 643, 3215, 19933

Step-4: Factors of 99670

List of positive integer factors of 99670 that divides 99665 without a remainder.

1, 2, 5, 10, 9967, 19934, 49835

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 99665 and 99670. The biggest common factor number is the GCF number.
So the greatest common factor 99665 and 99670 is 5.

Also check out the Least Common Multiple of 99665 and 99670