What is the Greatest Common Factor of 99970 and 99983?

Greatest common factor (GCF) of 99970 and 99983 is 13.

GCF(99970,99983) = 13

We will now calculate the prime factors of 99970 and 99983, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 99970 and 99983.

How to find the GCF of 99970 and 99983?

We will first find the prime factorization of 99970 and 99983. After we will calculate the factors of 99970 and 99983 and find the biggest common factor number .

Step-1: Prime Factorization of 99970

Prime factors of 99970 are 2, 5, 13, 769. Prime factorization of 99970 in exponential form is:

99970 = 2¹ × 5¹ × 13¹ × 769¹

Step-2: Prime Factorization of 99983

Prime factors of 99983 are 13, 7691. Prime factorization of 99983 in exponential form is:

99983 = 13¹ × 7691¹

Step-3: Factors of 99970

List of positive integer factors of 99970 that divides 99970 without a remainder.

1, 2, 5, 10, 13, 26, 65, 130, 769, 1538, 3845, 7690, 9997, 19994, 49985

Step-4: Factors of 99983

List of positive integer factors of 99983 that divides 99970 without a remainder.

1, 13, 7691

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 99970 and 99983. The biggest common factor number is the GCF number.
So the greatest common factor 99970 and 99983 is 13.

Also check out the Least Common Multiple of 99970 and 99983