What is the Greatest Common Factor of 9985 and 10004?

Greatest common factor (GCF) of 9985 and 10004 is 1.

GCF(9985,10004) = 1

We will now calculate the prime factors of 9985 and 10004, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9985 and 10004.

How to find the GCF of 9985 and 10004?

We will first find the prime factorization of 9985 and 10004. After we will calculate the factors of 9985 and 10004 and find the biggest common factor number .

Step-1: Prime Factorization of 9985

Prime factors of 9985 are 5, 1997. Prime factorization of 9985 in exponential form is:

9985 = 5¹ × 1997¹

Step-2: Prime Factorization of 10004

Prime factors of 10004 are 2, 41, 61. Prime factorization of 10004 in exponential form is:

10004 = 2² × 41¹ × 61¹

Step-3: Factors of 9985

List of positive integer factors of 9985 that divides 9985 without a remainder.

1, 5, 1997

Step-4: Factors of 10004

List of positive integer factors of 10004 that divides 9985 without a remainder.

1, 2, 4, 41, 61, 82, 122, 164, 244, 2501, 5002

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9985 and 10004. The biggest common factor number is the GCF number.
So the greatest common factor 9985 and 10004 is 1.

Also check out the Least Common Multiple of 9985 and 10004