Q: Is 604,143 a Prime Number?
A: No, 604,143 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 604143 can be evenly divided by 1 3 9 19 57 171 3,533 10,599 31,797 67,127 201,381 and 604,143, with no remainder.
Since 604,143 cannot be divided by just 1 and 604,143, it is not a prime number.