Q: Is 1,250,991 a Prime Number?
A: No, 1,250,991 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 1250991 can be evenly divided by 1 3 7 9 21 27 63 189 6,619 19,857 46,333 59,571 138,999 178,713 416,997 and 1,250,991, with no remainder.
Since 1,250,991 cannot be divided by just 1 and 1,250,991, it is not a prime number.