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The prime factorization of 399 is 3 x 7 x 19.

21 wouldn't be included since it isn't a Prime number.

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Q: What is the prime factorization of 399 using only 21?
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Related questions

Is 399 a prime number?

399 is not a prime number because it has more than two factors which can be shown by the prime factorization of 399 i.e. P.F. of 399 = 3x7x19.


What is the prime factorization of the number 399?

399 = 3 * 7 * 19


What is the gcf of 399 and 1330 using prime factorization?

399 = 3 x 7 x 19 1330 = 2 x 5 x 7 x 19 gcf = 7 x 19 = 133


Is 399 prime?

399 is not prime as it has more than two factors which are 1 and itself as it has many other combinations of numbers to resolve the question so no 399 is not prime


What are the factors and prime factors of 399?

1, 3, 7, 19, 21, 57, 133, and 399. The prime factors of 399 are 3, 7, and 19.


What are the prime factors of 399?

3 x 7 x 19 = 399


Express 399 as a product of prime factors?

3 x 7 x 19 = 399


What is the prime factorization of 72 399 600?

72 = 2 * 2 * 2 * 3 * 3 = 23 * 32399 = 3 * 7 * 19600 = 2 * 2 * 2 * 3 * 5 * 5 = 23 * 3 * 52


What is the sum of all prime between numbers 1 and 400?

The sum of all prime between numbers 1 and 400 (2 through 399) is 13,887.


What numbers are divisible by 399?

399*1 = 399. So 399 is divisible by 399. 399*2 = 798. So 798 is divisible by 399. 399*3 =1197. So 1197 is divisible by 399. 399*4 = 1596. So 1596 is divisible by 399.


What is 10.25 percent of 399?

10.25% of 399= 10.25% * 399= 0.1025 * 399= 40.8975 (40.90)


What is prime factorization?

it is when you "factor tree" a number down until it cn non longer be broken down.2 factors of 84 are 4 and 21 because when you multiply them, you get 84. factor 4 down into 2 and 2. factor 21 down into 3 and 7. in this case, the prime factorization is two to the second power times three times seven.