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What is the Greatest Common Factor of 10005 and 10009?

Greatest common factor (GCF) of 10005 and 10009 is 1.

GCF(10005,10009) = 1

We will now calculate the prime factors of 10005 and 10009, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10005 and 10009.

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How to find the GCF of 10005 and 10009?

We will first find the prime factorization of 10005 and 10009. After we will calculate the factors of 10005 and 10009 and find the biggest common factor number .

Step-1: Prime Factorization of 10005

Prime factors of 10005 are 3, 5, 23, 29. Prime factorization of 10005 in exponential form is:

10005 = 31 × 51 × 231 × 291

Step-2: Prime Factorization of 10009

Prime factors of 10009 are 10009. Prime factorization of 10009 in exponential form is:

10009 = 100091

Step-3: Factors of 10005

List of positive integer factors of 10005 that divides 10005 without a remainder.

1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 2001, 3335

Step-4: Factors of 10009

List of positive integer factors of 10009 that divides 10005 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10005 and 10009. The biggest common factor number is the GCF number.
So the greatest common factor 10005 and 10009 is 1.

Also check out the Least Common Multiple of 10005 and 10009