Q: Is 1,218,087 a Prime Number?
A: No, 1,218,087 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 1218087 can be evenly divided by 1 3 9 13 29 39 87 117 261 359 377 1,077 1,131 3,231 3,393 4,667 10,411 14,001 31,233 42,003 93,699 135,343 406,029 and 1,218,087, with no remainder.
Since 1,218,087 cannot be divided by just 1 and 1,218,087, it is not a prime number.