What is the Greatest Common Factor of 234 and 247?
Greatest common factor (GCF) of 234 and 247 is 13.
GCF(234,247) = 13
We will now calculate the prime factors of 234 and 247, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 234 and 247.
How to find the GCF of 234 and 247?
We will first find the prime factorization of 234 and 247. After we will calculate the factors of 234 and 247 and find the biggest common factor number .
Step-1: Prime Factorization of 234
Prime factors of 234 are 2, 3, 13. Prime factorization of 234 in exponential form is:
234 = 21 × 32 × 131
Step-2: Prime Factorization of 247
Prime factors of 247 are 13, 19. Prime factorization of 247 in exponential form is:
247 = 131 × 191
Step-3: Factors of 234
List of positive integer factors of 234 that divides 234 without a remainder.
1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117
Step-4: Factors of 247
List of positive integer factors of 247 that divides 234 without a remainder.
1, 13, 19
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 234 and 247. The biggest common factor number is the GCF number.
So the greatest common factor 234 and 247 is 13.
Also check out the Least Common Multiple of 234 and 247
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