What is the Greatest Common Factor of 414 and 423?
Greatest common factor (GCF) of 414 and 423 is 9.
GCF(414,423) = 9
We will now calculate the prime factors of 414 and 423, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 414 and 423.
How to find the GCF of 414 and 423?
We will first find the prime factorization of 414 and 423. After we will calculate the factors of 414 and 423 and find the biggest common factor number .
Step-1: Prime Factorization of 414
Prime factors of 414 are 2, 3, 23. Prime factorization of 414 in exponential form is:
414 = 21 × 32 × 231
Step-2: Prime Factorization of 423
Prime factors of 423 are 3, 47. Prime factorization of 423 in exponential form is:
423 = 32 × 471
Step-3: Factors of 414
List of positive integer factors of 414 that divides 414 without a remainder.
1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207
Step-4: Factors of 423
List of positive integer factors of 423 that divides 414 without a remainder.
1, 3, 9, 47, 141
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 414 and 423. The biggest common factor number is the GCF number.
So the greatest common factor 414 and 423 is 9.
Also check out the Least Common Multiple of 414 and 423
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Related Greatest Common Factors of 423
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