What is the Greatest Common Factor of 397 and 417?
Greatest common factor (GCF) of 397 and 417 is 1.
GCF(397,417) = 1
We will now calculate the prime factors of 397 and 417, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 397 and 417.
How to find the GCF of 397 and 417?
We will first find the prime factorization of 397 and 417. After we will calculate the factors of 397 and 417 and find the biggest common factor number .
Step-1: Prime Factorization of 397
Prime factors of 397 are 397. Prime factorization of 397 in exponential form is:
397 = 3971
Step-2: Prime Factorization of 417
Prime factors of 417 are 3, 139. Prime factorization of 417 in exponential form is:
417 = 31 × 1391
Step-3: Factors of 397
List of positive integer factors of 397 that divides 397 without a remainder.
1
Step-4: Factors of 417
List of positive integer factors of 417 that divides 397 without a remainder.
1, 3, 139
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 397 and 417. The biggest common factor number is the GCF number.
So the greatest common factor 397 and 417 is 1.
Also check out the Least Common Multiple of 397 and 417
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