What is the Greatest Common Factor of 270 and 279?
Greatest common factor (GCF) of 270 and 279 is 9.
GCF(270,279) = 9
We will now calculate the prime factors of 270 and 279, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 270 and 279.
How to find the GCF of 270 and 279?
We will first find the prime factorization of 270 and 279. After we will calculate the factors of 270 and 279 and find the biggest common factor number .
Step-1: Prime Factorization of 270
Prime factors of 270 are 2, 3, 5. Prime factorization of 270 in exponential form is:
270 = 21 × 33 × 51
Step-2: Prime Factorization of 279
Prime factors of 279 are 3, 31. Prime factorization of 279 in exponential form is:
279 = 32 × 311
Step-3: Factors of 270
List of positive integer factors of 270 that divides 270 without a remainder.
1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135
Step-4: Factors of 279
List of positive integer factors of 279 that divides 270 without a remainder.
1, 3, 9, 31, 93
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 270 and 279. The biggest common factor number is the GCF number.
So the greatest common factor 270 and 279 is 9.
Also check out the Least Common Multiple of 270 and 279
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