Q: Is 171,003 a Prime Number?
A: No, 171,003 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 171003 can be evenly divided by 1 3 7 17 21 51 119 357 479 1,437 3,353 8,143 10,059 24,429 57,001 and 171,003, with no remainder.
Since 171,003 cannot be divided by just 1 and 171,003, it is not a prime number.