Q: Is 2,404,143 a Prime Number?
A: No, 2,404,143 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 2404143 can be evenly divided by 1 3 7 9 21 31 63 93 217 279 651 1,231 1,953 3,693 8,617 11,079 25,851 38,161 77,553 114,483 267,127 343,449 801,381 and 2,404,143, with no remainder.
Since 2,404,143 cannot be divided by just 1 and 2,404,143, it is not a prime number.