Q: Is 728,679 a Prime Number?
A: No, 728,679 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 728679 can be evenly divided by 1 3 7 21 49 147 4,957 14,871 34,699 104,097 242,893 and 728,679, with no remainder.
Since 728,679 cannot be divided by just 1 and 728,679, it is not a prime number.