Q: Is 729,215 a Prime Number?
A: No, 729,215 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 729215 can be evenly divided by 1 5 17 23 85 115 373 391 1,865 1,955 6,341 8,579 31,705 42,895 145,843 and 729,215, with no remainder.
Since 729,215 cannot be divided by just 1 and 729,215, it is not a prime number.