Q: Is 4,042,775 a Prime Number?
A: No, 4,042,775 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 4042775 can be evenly divided by 1 5 11 25 55 61 241 275 305 671 1,205 1,525 2,651 3,355 6,025 13,255 14,701 16,775 66,275 73,505 161,711 367,525 808,555 and 4,042,775, with no remainder.
Since 4,042,775 cannot be divided by just 1 and 4,042,775, it is not a prime number.