What is the Greatest Common Factor of 247 and 259?
Greatest common factor (GCF) of 247 and 259 is 1.
GCF(247,259) = 1
We will now calculate the prime factors of 247 and 259, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 247 and 259.
How to find the GCF of 247 and 259?
We will first find the prime factorization of 247 and 259. After we will calculate the factors of 247 and 259 and find the biggest common factor number .
Step-1: Prime Factorization of 247
Prime factors of 247 are 13, 19. Prime factorization of 247 in exponential form is:
247 = 131 × 191
Step-2: Prime Factorization of 259
Prime factors of 259 are 7, 37. Prime factorization of 259 in exponential form is:
259 = 71 × 371
Step-3: Factors of 247
List of positive integer factors of 247 that divides 247 without a remainder.
1, 13, 19
Step-4: Factors of 259
List of positive integer factors of 259 that divides 247 without a remainder.
1, 7, 37
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 247 and 259. The biggest common factor number is the GCF number.
So the greatest common factor 247 and 259 is 1.
Also check out the Least Common Multiple of 247 and 259
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