What is the Greatest Common Factor of 306 and 318?
Greatest common factor (GCF) of 306 and 318 is 6.
GCF(306,318) = 6
We will now calculate the prime factors of 306 and 318, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 306 and 318.
How to find the GCF of 306 and 318?
We will first find the prime factorization of 306 and 318. After we will calculate the factors of 306 and 318 and find the biggest common factor number .
Step-1: Prime Factorization of 306
Prime factors of 306 are 2, 3, 17. Prime factorization of 306 in exponential form is:
306 = 21 × 32 × 171
Step-2: Prime Factorization of 318
Prime factors of 318 are 2, 3, 53. Prime factorization of 318 in exponential form is:
318 = 21 × 31 × 531
Step-3: Factors of 306
List of positive integer factors of 306 that divides 306 without a remainder.
1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153
Step-4: Factors of 318
List of positive integer factors of 318 that divides 306 without a remainder.
1, 2, 3, 6, 53, 106, 159
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 306 and 318. The biggest common factor number is the GCF number.
So the greatest common factor 306 and 318 is 6.
Also check out the Least Common Multiple of 306 and 318
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