What is the Greatest Common Factor of 351 and 355?
Greatest common factor (GCF) of 351 and 355 is 1.
GCF(351,355) = 1
We will now calculate the prime factors of 351 and 355, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 351 and 355.
How to find the GCF of 351 and 355?
We will first find the prime factorization of 351 and 355. After we will calculate the factors of 351 and 355 and find the biggest common factor number .
Step-1: Prime Factorization of 351
Prime factors of 351 are 3, 13. Prime factorization of 351 in exponential form is:
351 = 33 × 131
Step-2: Prime Factorization of 355
Prime factors of 355 are 5, 71. Prime factorization of 355 in exponential form is:
355 = 51 × 711
Step-3: Factors of 351
List of positive integer factors of 351 that divides 351 without a remainder.
1, 3, 9, 13, 27, 39, 117
Step-4: Factors of 355
List of positive integer factors of 355 that divides 351 without a remainder.
1, 5, 71
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 351 and 355. The biggest common factor number is the GCF number.
So the greatest common factor 351 and 355 is 1.
Also check out the Least Common Multiple of 351 and 355
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