Q: Is 1,720,667 a Prime Number?
A: No, 1,720,667 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 1720667 can be evenly divided by 1 13 107 1,237 1,391 16,081 132,359 and 1,720,667, with no remainder.
Since 1,720,667 cannot be divided by just 1 and 1,720,667, it is not a prime number.