What is the Greatest Common Factor of 303 and 309?
Greatest common factor (GCF) of 303 and 309 is 3.
GCF(303,309) = 3
We will now calculate the prime factors of 303 and 309, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 303 and 309.
How to find the GCF of 303 and 309?
We will first find the prime factorization of 303 and 309. After we will calculate the factors of 303 and 309 and find the biggest common factor number .
Step-1: Prime Factorization of 303
Prime factors of 303 are 3, 101. Prime factorization of 303 in exponential form is:
303 = 31 × 1011
Step-2: Prime Factorization of 309
Prime factors of 309 are 3, 103. Prime factorization of 309 in exponential form is:
309 = 31 × 1031
Step-3: Factors of 303
List of positive integer factors of 303 that divides 303 without a remainder.
1, 3, 101
Step-4: Factors of 309
List of positive integer factors of 309 that divides 303 without a remainder.
1, 3, 103
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 303 and 309. The biggest common factor number is the GCF number.
So the greatest common factor 303 and 309 is 3.
Also check out the Least Common Multiple of 303 and 309
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