Q: Is 143,397 a Prime Number?
A: No, 143,397 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 143397 can be evenly divided by 1 3 9 27 47 113 141 339 423 1,017 1,269 3,051 5,311 15,933 47,799 and 143,397, with no remainder.
Since 143,397 cannot be divided by just 1 and 143,397, it is not a prime number.