What is the Greatest Common Factor of 372 and 391?
Greatest common factor (GCF) of 372 and 391 is 1.
GCF(372,391) = 1
We will now calculate the prime factors of 372 and 391, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 372 and 391.
How to find the GCF of 372 and 391?
We will first find the prime factorization of 372 and 391. After we will calculate the factors of 372 and 391 and find the biggest common factor number .
Step-1: Prime Factorization of 372
Prime factors of 372 are 2, 3, 31. Prime factorization of 372 in exponential form is:
372 = 22 × 31 × 311
Step-2: Prime Factorization of 391
Prime factors of 391 are 17, 23. Prime factorization of 391 in exponential form is:
391 = 171 × 231
Step-3: Factors of 372
List of positive integer factors of 372 that divides 372 without a remainder.
1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186
Step-4: Factors of 391
List of positive integer factors of 391 that divides 372 without a remainder.
1, 17, 23
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 372 and 391. The biggest common factor number is the GCF number.
So the greatest common factor 372 and 391 is 1.
Also check out the Least Common Multiple of 372 and 391
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