Q: Is 1,667,889 a Prime Number?
A: No, 1,667,889 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 1667889 can be evenly divided by 1 3 9 47 141 423 3,943 11,829 35,487 185,321 555,963 and 1,667,889, with no remainder.
Since 1,667,889 cannot be divided by just 1 and 1,667,889, it is not a prime number.