Q: Is 1,088,991 a Prime Number?
A: No, 1,088,991 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 1088991 can be evenly divided by 1 3 9 27 53 159 477 761 1,431 2,283 6,849 20,547 40,333 120,999 362,997 and 1,088,991, with no remainder.
Since 1,088,991 cannot be divided by just 1 and 1,088,991, it is not a prime number.