Q: Is 2,109,789 a Prime Number?
A: No, 2,109,789 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 2109789 can be evenly divided by 1 3 9 11 33 99 101 211 303 633 909 1,111 1,899 2,321 3,333 6,963 9,999 20,889 21,311 63,933 191,799 234,421 703,263 and 2,109,789, with no remainder.
Since 2,109,789 cannot be divided by just 1 and 2,109,789, it is not a prime number.