Q: Is 210,003 a Prime Number?
A: No, 210,003 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 210003 can be evenly divided by 1 3 70,001 and 210,003, with no remainder.
Since 210,003 cannot be divided by just 1 and 210,003, it is not a prime number.