Q: Is 1,321,407 a Prime Number?
A: No, 1,321,407 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 1321407 can be evenly divided by 1 3 9 27 109 327 449 981 1,347 2,943 4,041 12,123 48,941 146,823 440,469 and 1,321,407, with no remainder.
Since 1,321,407 cannot be divided by just 1 and 1,321,407, it is not a prime number.