Q: Is 142,878 a Prime Number?
A: No, 142,878 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 142878 can be evenly divided by 1 2 3 6 23,813 47,626 71,439 and 142,878, with no remainder.
Since 142,878 cannot be divided by just 1 and 142,878, it is not a prime number.