What is the Greatest Common Factor of 402 and 414?
Greatest common factor (GCF) of 402 and 414 is 6.
GCF(402,414) = 6
We will now calculate the prime factors of 402 and 414, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 402 and 414.
How to find the GCF of 402 and 414?
We will first find the prime factorization of 402 and 414. After we will calculate the factors of 402 and 414 and find the biggest common factor number .
Step-1: Prime Factorization of 402
Prime factors of 402 are 2, 3, 67. Prime factorization of 402 in exponential form is:
402 = 21 × 31 × 671
Step-2: 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-3: Factors of 402
List of positive integer factors of 402 that divides 402 without a remainder.
1, 2, 3, 6, 67, 134, 201
Step-4: Factors of 414
List of positive integer factors of 414 that divides 402 without a remainder.
1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 402 and 414. The biggest common factor number is the GCF number.
So the greatest common factor 402 and 414 is 6.
Also check out the Least Common Multiple of 402 and 414
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