What is the Greatest Common Factor of 417 and 421?
Greatest common factor (GCF) of 417 and 421 is 1.
GCF(417,421) = 1
We will now calculate the prime factors of 417 and 421, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 417 and 421.
How to find the GCF of 417 and 421?
We will first find the prime factorization of 417 and 421. After we will calculate the factors of 417 and 421 and find the biggest common factor number .
Step-1: Prime Factorization of 417
Prime factors of 417 are 3, 139. Prime factorization of 417 in exponential form is:
417 = 31 × 1391
Step-2: Prime Factorization of 421
Prime factors of 421 are 421. Prime factorization of 421 in exponential form is:
421 = 4211
Step-3: Factors of 417
List of positive integer factors of 417 that divides 417 without a remainder.
1, 3, 139
Step-4: Factors of 421
List of positive integer factors of 421 that divides 417 without a remainder.
1
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 417 and 421. The biggest common factor number is the GCF number.
So the greatest common factor 417 and 421 is 1.
Also check out the Least Common Multiple of 417 and 421
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