3 x 7 x 19 = 399
1, 3, 7, 19, 21, 57, 133, and 399. The prime factors of 399 are 3, 7, and 19.
The factors of 399 are: 1, 3, 7, 19, 21, 57, 133, 399.
1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995 3, 5, 7 and 19 are prime.
The common factors are: 1, 3
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.
1, 3, 7, 19, 21, 57, 133, and 399. The prime factors of 399 are 3, 7, and 19.
3 x 7 x 19 = 399
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
No, 399 is not a prime number. It is divisible by 3 and 133, in addition to 1 and itself.
The factors of 399 are: 1, 3, 7, 19, 21, 57, 133, 399.
1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995 3, 5, 7 and 19 are prime.
The prime factorization of 399 is 3 x 7 x 19. 21 wouldn't be included since it isn't a prime number.
1, 3, 7, 19, 21, 57, 133, 399
1, 3, 7, 19, 21, 57, 133, 399
399 = 3 * 7 * 19
The common factors are: 1, 3
1 and 19.