What is the Greatest Common Factor of 351 and 360?
Greatest common factor (GCF) of 351 and 360 is 9.
GCF(351,360) = 9
We will now calculate the prime factors of 351 and 360, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 351 and 360.
How to find the GCF of 351 and 360?
We will first find the prime factorization of 351 and 360. After we will calculate the factors of 351 and 360 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 360
Prime factors of 360 are 2, 3, 5. Prime factorization of 360 in exponential form is:
360 = 23 × 32 × 51
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 360
List of positive integer factors of 360 that divides 351 without a remainder.
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 351 and 360. The biggest common factor number is the GCF number.
So the greatest common factor 351 and 360 is 9.
Also check out the Least Common Multiple of 351 and 360
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