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What is the Greatest Common Factor of 199 and 215?

Greatest common factor (GCF) of 199 and 215 is 1.

GCF(199,215) = 1

We will now calculate the prime factors of 199 and 215, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 199 and 215.

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How to find the GCF of 199 and 215?

We will first find the prime factorization of 199 and 215. After we will calculate the factors of 199 and 215 and find the biggest common factor number .

Step-1: Prime Factorization of 199

Prime factors of 199 are 199. Prime factorization of 199 in exponential form is:

199 = 1991

Step-2: Prime Factorization of 215

Prime factors of 215 are 5, 43. Prime factorization of 215 in exponential form is:

215 = 51 × 431

Step-3: Factors of 199

List of positive integer factors of 199 that divides 199 without a remainder.

1

Step-4: Factors of 215

List of positive integer factors of 215 that divides 199 without a remainder.

1, 5, 43

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 199 and 215. The biggest common factor number is the GCF number.
So the greatest common factor 199 and 215 is 1.

Also check out the Least Common Multiple of 199 and 215