What is the Greatest Common Factor of 7009 and 7021?

Greatest common factor (GCF) of 7009 and 7021 is 1.

GCF(7009,7021) = 1

We will now calculate the prime factors of 7009 and 7021, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7009 and 7021.

How to find the GCF of 7009 and 7021?

We will first find the prime factorization of 7009 and 7021. After we will calculate the factors of 7009 and 7021 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 7021

Prime factors of 7021 are 7, 17, 59. Prime factorization of 7021 in exponential form is:

7021 = 7¹ × 17¹ × 59¹

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 7021

List of positive integer factors of 7021 that divides 7009 without a remainder.

1, 7, 17, 59, 119, 413, 1003

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7009 and 7021. The biggest common factor number is the GCF number.
So the greatest common factor 7009 and 7021 is 1.

Also check out the Least Common Multiple of 7009 and 7021