Q: Is 171,423 a Prime Number?
A: No, 171,423 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 171423 can be evenly divided by 1 3 7 9 21 27 63 189 907 2,721 6,349 8,163 19,047 24,489 57,141 and 171,423, with no remainder.
Since 171,423 cannot be divided by just 1 and 171,423, it is not a prime number.