Q: Is 1,066,518 a Prime Number?
A: No, 1,066,518 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 1066518 can be evenly divided by 1 2 3 6 9 18 193 307 386 579 614 921 1,158 1,737 1,842 2,763 3,474 5,526 59,251 118,502 177,753 355,506 533,259 and 1,066,518, with no remainder.
Since 1,066,518 cannot be divided by just 1 and 1,066,518, it is not a prime number.