What is the Greatest Common Factor of 418 and 429?
Greatest common factor (GCF) of 418 and 429 is 11.
GCF(418,429) = 11
We will now calculate the prime factors of 418 and 429, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 418 and 429.
How to find the GCF of 418 and 429?
We will first find the prime factorization of 418 and 429. After we will calculate the factors of 418 and 429 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 429
Prime factors of 429 are 3, 11, 13. Prime factorization of 429 in exponential form is:
429 = 31 × 111 × 131
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 429
List of positive integer factors of 429 that divides 418 without a remainder.
1, 3, 11, 13, 33, 39, 143
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 418 and 429. The biggest common factor number is the GCF number.
So the greatest common factor 418 and 429 is 11.
Also check out the Least Common Multiple of 418 and 429
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