Q: Is 2,120,723 a Prime Number?
A: No, 2,120,723 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 2120723 can be evenly divided by 1 11 19 73 139 209 803 1,387 1,529 2,641 10,147 15,257 29,051 111,617 192,793 and 2,120,723, with no remainder.
Since 2,120,723 cannot be divided by just 1 and 2,120,723, it is not a prime number.