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What is the Greatest Common Factor of 202 and 213?

Greatest common factor (GCF) of 202 and 213 is 1.

GCF(202,213) = 1

We will now calculate the prime factors of 202 and 213, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 202 and 213.

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How to find the GCF of 202 and 213?

We will first find the prime factorization of 202 and 213. After we will calculate the factors of 202 and 213 and find the biggest common factor number .

Step-1: Prime Factorization of 202

Prime factors of 202 are 2, 101. Prime factorization of 202 in exponential form is:

202 = 21 × 1011

Step-2: Prime Factorization of 213

Prime factors of 213 are 3, 71. Prime factorization of 213 in exponential form is:

213 = 31 × 711

Step-3: Factors of 202

List of positive integer factors of 202 that divides 202 without a remainder.

1, 2, 101

Step-4: Factors of 213

List of positive integer factors of 213 that divides 202 without a remainder.

1, 3, 71

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 202 and 213. The biggest common factor number is the GCF number.
So the greatest common factor 202 and 213 is 1.

Also check out the Least Common Multiple of 202 and 213