Q: Is 1,609,998 a Prime Number?
A: No, 1,609,998 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 1609998 can be evenly divided by 1 2 3 6 13 26 39 78 20,641 41,282 61,923 123,846 268,333 536,666 804,999 and 1,609,998, with no remainder.
Since 1,609,998 cannot be divided by just 1 and 1,609,998, it is not a prime number.