What is the Greatest Common Factor of 330 and 343?
Greatest common factor (GCF) of 330 and 343 is 1.
GCF(330,343) = 1
We will now calculate the prime factors of 330 and 343, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 330 and 343.
How to find the GCF of 330 and 343?
We will first find the prime factorization of 330 and 343. After we will calculate the factors of 330 and 343 and find the biggest common factor number .
Step-1: Prime Factorization of 330
Prime factors of 330 are 2, 3, 5, 11. Prime factorization of 330 in exponential form is:
330 = 21 × 31 × 51 × 111
Step-2: Prime Factorization of 343
Prime factors of 343 are 7. Prime factorization of 343 in exponential form is:
343 = 73
Step-3: Factors of 330
List of positive integer factors of 330 that divides 330 without a remainder.
1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165
Step-4: Factors of 343
List of positive integer factors of 343 that divides 330 without a remainder.
1, 7, 49
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 330 and 343. The biggest common factor number is the GCF number.
So the greatest common factor 330 and 343 is 1.
Also check out the Least Common Multiple of 330 and 343
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