Q: Is 171,403 a Prime Number?

A: Yes, 171,403 is a prime number.

Why is 171,403 a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 171403 can be evenly divided by 1 and 171,403, with no remainder.

Since 171,403 can be divided by just 1 and 171,403, it is a prime number.

Number	171,401	171,402	171,404	171,405
Prime?	yes	no	no	no

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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