Q: Is 729,642 a Prime Number?
A: No, 729,642 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 729642 can be evenly divided by 1 2 3 6 121,607 243,214 364,821 and 729,642, with no remainder.
Since 729,642 cannot be divided by just 1 and 729,642, it is not a prime number.