Q: Is 142,438 a Prime Number?
A: No, 142,438 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 142438 can be evenly divided by 1 2 229 311 458 622 71,219 and 142,438, with no remainder.
Since 142,438 cannot be divided by just 1 and 142,438, it is not a prime number.