Q: Is 145,904 a Prime Number?
A: No, 145,904 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 145904 can be evenly divided by 1 2 4 8 11 16 22 44 88 176 829 1,658 3,316 6,632 9,119 13,264 18,238 36,476 72,952 and 145,904, with no remainder.
Since 145,904 cannot be divided by just 1 and 145,904, it is not a prime number.