Q: Is 145,899 a Prime Number?
A: No, 145,899 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 145899 can be evenly divided by 1 3 9 13 29 39 43 87 117 129 261 377 387 559 1,131 1,247 1,677 3,393 3,741 5,031 11,223 16,211 48,633 and 145,899, with no remainder.
Since 145,899 cannot be divided by just 1 and 145,899, it is not a prime number.