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What is the Greatest Common Factor of 17 and 7?

Greatest common factor (GCF) of 17 and 7 is 1.

GCF(17,7) = 1

We will now calculate the prime factors of 17 and 7, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17 and 7.

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How to find the GCF of 17 and 7?

We will first find the prime factorization of 17 and 7. After we will calculate the factors of 17 and 7 and find the biggest common factor number .

Step-1: Prime Factorization of 17

Prime factors of 17 are 17. Prime factorization of 17 in exponential form is:

17 = 171

Step-2: Prime Factorization of 7

Prime factors of 7 are 7. Prime factorization of 7 in exponential form is:

7 = 71

Step-3: Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1

Step-4: Factors of 7

List of positive integer factors of 7 that divides 17 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17 and 7. The biggest common factor number is the GCF number.
So the greatest common factor 17 and 7 is 1.

Also check out the Least Common Multiple of 17 and 7