Q: Is 1,000,545 a Prime Number?
A: No, 1,000,545 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 1000545 can be evenly divided by 1 3 5 7 13 15 21 35 39 65 91 105 195 273 455 733 1,365 2,199 3,665 5,131 9,529 10,995 15,393 25,655 28,587 47,645 66,703 76,965 142,935 200,109 333,515 and 1,000,545, with no remainder.
Since 1,000,545 cannot be divided by just 1 and 1,000,545, it is not a prime number.