Q: Is 400,824 a Prime Number?
A: No, 400,824 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 400824 can be evenly divided by 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 293 342 456 586 684 879 1,172 1,368 1,758 2,344 2,637 3,516 5,274 5,567 7,032 10,548 11,134 16,701 21,096 22,268 33,402 44,536 50,103 66,804 100,206 133,608 200,412 and 400,824, with no remainder.
Since 400,824 cannot be divided by just 1 and 400,824, it is not a prime number.