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What is the Greatest Common Factor of 5 and 22?

Greatest common factor (GCF) of 5 and 22 is 1.

GCF(5,22) = 1

We will now calculate the prime factors of 5 and 22, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5 and 22.

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How to find the GCF of 5 and 22?

We will first find the prime factorization of 5 and 22. After we will calculate the factors of 5 and 22 and find the biggest common factor number .

Step-1: Prime Factorization of 5

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

5 = 51

Step-2: Prime Factorization of 22

Prime factors of 22 are 2, 11. Prime factorization of 22 in exponential form is:

22 = 21 × 111

Step-3: Factors of 5

List of positive integer factors of 5 that divides 5 without a remainder.

1

Step-4: Factors of 22

List of positive integer factors of 22 that divides 5 without a remainder.

1, 2, 11

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5 and 22. The biggest common factor number is the GCF number.
So the greatest common factor 5 and 22 is 1.

Also check out the Least Common Multiple of 5 and 22

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