Q: Is 1,516,404 a Prime Number?
A: No, 1,516,404 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 1516404 can be evenly divided by 1 2 3 4 6 12 107 214 321 428 642 1,181 1,284 2,362 3,543 4,724 7,086 14,172 126,367 252,734 379,101 505,468 758,202 and 1,516,404, with no remainder.
Since 1,516,404 cannot be divided by just 1 and 1,516,404, it is not a prime number.