What is the Greatest Common Factor of 399 and 404?
Greatest common factor (GCF) of 399 and 404 is 1.
GCF(399,404) = 1
We will now calculate the prime factors of 399 and 404, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 399 and 404.
How to find the GCF of 399 and 404?
We will first find the prime factorization of 399 and 404. After we will calculate the factors of 399 and 404 and find the biggest common factor number .
Step-1: Prime Factorization of 399
Prime factors of 399 are 3, 7, 19. Prime factorization of 399 in exponential form is:
399 = 31 × 71 × 191
Step-2: Prime Factorization of 404
Prime factors of 404 are 2, 101. Prime factorization of 404 in exponential form is:
404 = 22 × 1011
Step-3: Factors of 399
List of positive integer factors of 399 that divides 399 without a remainder.
1, 3, 7, 19, 21, 57, 133
Step-4: Factors of 404
List of positive integer factors of 404 that divides 399 without a remainder.
1, 2, 4, 101, 202
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 399 and 404. The biggest common factor number is the GCF number.
So the greatest common factor 399 and 404 is 1.
Also check out the Least Common Multiple of 399 and 404
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