Q: Is 72,478 a Prime Number?
A: No, 72,478 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 72478 can be evenly divided by 1 2 7 14 31 62 167 217 334 434 1,169 2,338 5,177 10,354 36,239 and 72,478, with no remainder.
Since 72,478 cannot be divided by just 1 and 72,478, it is not a prime number.