What is the Greatest Common Factor of 340 and 351?
Greatest common factor (GCF) of 340 and 351 is 1.
GCF(340,351) = 1
We will now calculate the prime factors of 340 and 351, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 340 and 351.
How to find the GCF of 340 and 351?
We will first find the prime factorization of 340 and 351. After we will calculate the factors of 340 and 351 and find the biggest common factor number .
Step-1: Prime Factorization of 340
Prime factors of 340 are 2, 5, 17. Prime factorization of 340 in exponential form is:
340 = 22 × 51 × 171
Step-2: Prime Factorization of 351
Prime factors of 351 are 3, 13. Prime factorization of 351 in exponential form is:
351 = 33 × 131
Step-3: Factors of 340
List of positive integer factors of 340 that divides 340 without a remainder.
1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170
Step-4: Factors of 351
List of positive integer factors of 351 that divides 340 without a remainder.
1, 3, 9, 13, 27, 39, 117
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 340 and 351. The biggest common factor number is the GCF number.
So the greatest common factor 340 and 351 is 1.
Also check out the Least Common Multiple of 340 and 351
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