Q: Is 3,900,402 a Prime Number?
A: No, 3,900,402 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 3900402 can be evenly divided by 1 2 3 6 9 11 18 22 33 66 99 198 19,699 39,398 59,097 118,194 177,291 216,689 354,582 433,378 650,067 1,300,134 1,950,201 and 3,900,402, with no remainder.
Since 3,900,402 cannot be divided by just 1 and 3,900,402, it is not a prime number.