What is the Greatest Common Factor of 204 and 216?
Greatest common factor (GCF) of 204 and 216 is 12.
GCF(204,216) = 12
We will now calculate the prime factors of 204 and 216, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 204 and 216.
How to find the GCF of 204 and 216?
We will first find the prime factorization of 204 and 216. After we will calculate the factors of 204 and 216 and find the biggest common factor number .
Step-1: Prime Factorization of 204
Prime factors of 204 are 2, 3, 17. Prime factorization of 204 in exponential form is:
204 = 22 × 31 × 171
Step-2: Prime Factorization of 216
Prime factors of 216 are 2, 3. Prime factorization of 216 in exponential form is:
216 = 23 × 33
Step-3: Factors of 204
List of positive integer factors of 204 that divides 204 without a remainder.
1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102
Step-4: Factors of 216
List of positive integer factors of 216 that divides 204 without a remainder.
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 204 and 216. The biggest common factor number is the GCF number.
So the greatest common factor 204 and 216 is 12.
Also check out the Least Common Multiple of 204 and 216
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