What is the Greatest Common Factor of 237 and 255?
Greatest common factor (GCF) of 237 and 255 is 3.
GCF(237,255) = 3
We will now calculate the prime factors of 237 and 255, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 237 and 255.
How to find the GCF of 237 and 255?
We will first find the prime factorization of 237 and 255. After we will calculate the factors of 237 and 255 and find the biggest common factor number .
Step-1: Prime Factorization of 237
Prime factors of 237 are 3, 79. Prime factorization of 237 in exponential form is:
237 = 31 × 791
Step-2: Prime Factorization of 255
Prime factors of 255 are 3, 5, 17. Prime factorization of 255 in exponential form is:
255 = 31 × 51 × 171
Step-3: Factors of 237
List of positive integer factors of 237 that divides 237 without a remainder.
1, 3, 79
Step-4: Factors of 255
List of positive integer factors of 255 that divides 237 without a remainder.
1, 3, 5, 15, 17, 51, 85
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 237 and 255. The biggest common factor number is the GCF number.
So the greatest common factor 237 and 255 is 3.
Also check out the Least Common Multiple of 237 and 255
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