Q: Is 355,904 a Prime Number?
A: No, 355,904 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 355904 can be evenly divided by 1 2 4 8 16 32 64 67 83 134 166 268 332 536 664 1,072 1,328 2,144 2,656 4,288 5,312 5,561 11,122 22,244 44,488 88,976 177,952 and 355,904, with no remainder.
Since 355,904 cannot be divided by just 1 and 355,904, it is not a prime number.