Q: Is 1,066,600 a Prime Number?
A: No, 1,066,600 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 1066600 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 5,333 10,666 21,332 26,665 42,664 53,330 106,660 133,325 213,320 266,650 533,300 and 1,066,600, with no remainder.
Since 1,066,600 cannot be divided by just 1 and 1,066,600, it is not a prime number.