Q: Is 143,515 a Prime Number?
A: No, 143,515 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 143515 can be evenly divided by 1 5 28,703 and 143,515, with no remainder.
Since 143,515 cannot be divided by just 1 and 143,515, it is not a prime number.