What is the Greatest Common Factor of 309 and 313?
Greatest common factor (GCF) of 309 and 313 is 1.
GCF(309,313) = 1
We will now calculate the prime factors of 309 and 313, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 309 and 313.
How to find the GCF of 309 and 313?
We will first find the prime factorization of 309 and 313. After we will calculate the factors of 309 and 313 and find the biggest common factor number .
Step-1: Prime Factorization of 309
Prime factors of 309 are 3, 103. Prime factorization of 309 in exponential form is:
309 = 31 × 1031
Step-2: Prime Factorization of 313
Prime factors of 313 are 313. Prime factorization of 313 in exponential form is:
313 = 3131
Step-3: Factors of 309
List of positive integer factors of 309 that divides 309 without a remainder.
1, 3, 103
Step-4: Factors of 313
List of positive integer factors of 313 that divides 309 without a remainder.
1
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 309 and 313. The biggest common factor number is the GCF number.
So the greatest common factor 309 and 313 is 1.
Also check out the Least Common Multiple of 309 and 313
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