The prime factorization of 399 is 3 x 7 x 19. 21 wouldn't be included since it isn't 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.
399 = 3 * 7 * 19
The GCF is 133.
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
72 = 2 * 2 * 2 * 3 * 3 = 23 * 32399 = 3 * 7 * 19600 = 2 * 2 * 2 * 3 * 5 * 5 = 23 * 3 * 52
The sum of all prime between numbers 1 and 400 (2 through 399) is 13,887.
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.
10.25% of 399= 10.25% * 399= 0.1025 * 399= 40.8975 (40.90)