Q: Is 493,143 a Prime Number?
A: No, 493,143 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 493143 can be evenly divided by 1 3 7 21 23 69 161 483 1,021 3,063 7,147 21,441 23,483 70,449 164,381 and 493,143, with no remainder.
Since 493,143 cannot be divided by just 1 and 493,143, it is not a prime number.