Q: Is 1,131,201 a Prime Number?
A: No, 1,131,201 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 1131201 can be evenly divided by 1 3 9 37 43 79 111 129 237 333 387 711 1,591 2,923 3,397 4,773 8,769 10,191 14,319 26,307 30,573 125,689 377,067 and 1,131,201, with no remainder.
Since 1,131,201 cannot be divided by just 1 and 1,131,201, it is not a prime number.