Q: Is 143,878 a Prime Number?
A: No, 143,878 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 143878 can be evenly divided by 1 2 7 14 43 86 239 301 478 602 1,673 3,346 10,277 20,554 71,939 and 143,878, with no remainder.
Since 143,878 cannot be divided by just 1 and 143,878, it is not a prime number.