What is the Greatest Common Factor of 348 and 357?
Greatest common factor (GCF) of 348 and 357 is 3.
GCF(348,357) = 3
We will now calculate the prime factors of 348 and 357, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 348 and 357.
How to find the GCF of 348 and 357?
We will first find the prime factorization of 348 and 357. After we will calculate the factors of 348 and 357 and find the biggest common factor number .
Step-1: Prime Factorization of 348
Prime factors of 348 are 2, 3, 29. Prime factorization of 348 in exponential form is:
348 = 22 × 31 × 291
Step-2: Prime Factorization of 357
Prime factors of 357 are 3, 7, 17. Prime factorization of 357 in exponential form is:
357 = 31 × 71 × 171
Step-3: Factors of 348
List of positive integer factors of 348 that divides 348 without a remainder.
1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174
Step-4: Factors of 357
List of positive integer factors of 357 that divides 348 without a remainder.
1, 3, 7, 17, 21, 51, 119
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 348 and 357. The biggest common factor number is the GCF number.
So the greatest common factor 348 and 357 is 3.
Also check out the Least Common Multiple of 348 and 357
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