Q: Is 143,585 a Prime Number?
A: No, 143,585 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 143585 can be evenly divided by 1 5 13 47 65 235 611 2,209 3,055 11,045 28,717 and 143,585, with no remainder.
Since 143,585 cannot be divided by just 1 and 143,585, it is not a prime number.