Q: Is 4,542,321 a Prime Number?
A: No, 4,542,321 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 4542321 can be evenly divided by 1 3 7 21 163 489 1,141 1,327 3,423 3,981 9,289 27,867 216,301 648,903 1,514,107 and 4,542,321, with no remainder.
Since 4,542,321 cannot be divided by just 1 and 4,542,321, it is not a prime number.