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What is the Greatest Common Factor of 7009 and 7020?

Greatest common factor (GCF) of 7009 and 7020 is 1.

GCF(7009,7020) = 1

We will now calculate the prime factors of 7009 and 7020, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7009 and 7020.

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How to find the GCF of 7009 and 7020?

We will first find the prime factorization of 7009 and 7020. After we will calculate the factors of 7009 and 7020 and find the biggest common factor number .

Step-1: Prime Factorization of 7009

Prime factors of 7009 are 43, 163. Prime factorization of 7009 in exponential form is:

7009 = 431 × 1631

Step-2: Prime Factorization of 7020

Prime factors of 7020 are 2, 3, 5, 13. Prime factorization of 7020 in exponential form is:

7020 = 22 × 33 × 51 × 131

Step-3: Factors of 7009

List of positive integer factors of 7009 that divides 7009 without a remainder.

1, 43, 163

Step-4: Factors of 7020

List of positive integer factors of 7020 that divides 7009 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7009 and 7020. The biggest common factor number is the GCF number.
So the greatest common factor 7009 and 7020 is 1.

Also check out the Least Common Multiple of 7009 and 7020