Q: Is 145,642 a Prime Number?
A: No, 145,642 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 145642 can be evenly divided by 1 2 7 14 101 103 202 206 707 721 1,414 1,442 10,403 20,806 72,821 and 145,642, with no remainder.
Since 145,642 cannot be divided by just 1 and 145,642, it is not a prime number.