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.
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.
The squared number among the options is 225, as it is the square of 15 (15 x 15 = 225). The other numbers, 128, 360, and 399, are not perfect squares.
7 is a prime number!
109 is a prime number.
167 is a prime number.
The prime factorization of 399 is 3 x 7 x 19. 21 wouldn't be included since it isn't a prime number.
399 = 3 * 7 * 19
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
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
3 x 7 x 19 = 399
no
467 is 68 greater than 399
All composite.
The nth odd number is equal to 2n - 1. Therefore, the 200th odd number is equal to (2 x 200) - 1 = 399.
dell collections
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