What is the Greatest Common Factor of 254 and 266?
Greatest common factor (GCF) of 254 and 266 is 2.
GCF(254,266) = 2
We will now calculate the prime factors of 254 and 266, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 254 and 266.
How to find the GCF of 254 and 266?
We will first find the prime factorization of 254 and 266. After we will calculate the factors of 254 and 266 and find the biggest common factor number .
Step-1: Prime Factorization of 254
Prime factors of 254 are 2, 127. Prime factorization of 254 in exponential form is:
254 = 21 × 1271
Step-2: Prime Factorization of 266
Prime factors of 266 are 2, 7, 19. Prime factorization of 266 in exponential form is:
266 = 21 × 71 × 191
Step-3: Factors of 254
List of positive integer factors of 254 that divides 254 without a remainder.
1, 2, 127
Step-4: Factors of 266
List of positive integer factors of 266 that divides 254 without a remainder.
1, 2, 7, 14, 19, 38, 133
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 254 and 266. The biggest common factor number is the GCF number.
So the greatest common factor 254 and 266 is 2.
Also check out the Least Common Multiple of 254 and 266
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