Q: Is 478,455 a Prime Number?
A: No, 478,455 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 478455 can be evenly divided by 1 3 5 15 167 191 501 573 835 955 2,505 2,865 31,897 95,691 159,485 and 478,455, with no remainder.
Since 478,455 cannot be divided by just 1 and 478,455, it is not a prime number.