Q: Is 142,603 a Prime Number?
A: No, 142,603 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 142603 can be evenly divided by 1 59 2,417 and 142,603, with no remainder.
Since 142,603 cannot be divided by just 1 and 142,603, it is not a prime number.