What is the Greatest Common Factor of 418 and 422?
Greatest common factor (GCF) of 418 and 422 is 2.
GCF(418,422) = 2
We will now calculate the prime factors of 418 and 422, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 418 and 422.
How to find the GCF of 418 and 422?
We will first find the prime factorization of 418 and 422. After we will calculate the factors of 418 and 422 and find the biggest common factor number .
Step-1: Prime Factorization of 418
Prime factors of 418 are 2, 11, 19. Prime factorization of 418 in exponential form is:
418 = 21 × 111 × 191
Step-2: Prime Factorization of 422
Prime factors of 422 are 2, 211. Prime factorization of 422 in exponential form is:
422 = 21 × 2111
Step-3: Factors of 418
List of positive integer factors of 418 that divides 418 without a remainder.
1, 2, 11, 19, 22, 38, 209
Step-4: Factors of 422
List of positive integer factors of 422 that divides 418 without a remainder.
1, 2, 211
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 418 and 422. The biggest common factor number is the GCF number.
So the greatest common factor 418 and 422 is 2.
Also check out the Least Common Multiple of 418 and 422
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