What is the Greatest Common Factor of 256 and 270?
Greatest common factor (GCF) of 256 and 270 is 2.
GCF(256,270) = 2
We will now calculate the prime factors of 256 and 270, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 256 and 270.
How to find the GCF of 256 and 270?
We will first find the prime factorization of 256 and 270. After we will calculate the factors of 256 and 270 and find the biggest common factor number .
Step-1: Prime Factorization of 256
Prime factors of 256 are 2. Prime factorization of 256 in exponential form is:
256 = 28
Step-2: 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-3: Factors of 256
List of positive integer factors of 256 that divides 256 without a remainder.
1, 2, 4, 8, 16, 32, 64, 128
Step-4: Factors of 270
List of positive integer factors of 270 that divides 256 without a remainder.
1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 256 and 270. The biggest common factor number is the GCF number.
So the greatest common factor 256 and 270 is 2.
Also check out the Least Common Multiple of 256 and 270
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