Q: Is 171,988 a Prime Number?
A: No, 171,988 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 171988 can be evenly divided by 1 2 4 19 31 38 62 73 76 124 146 292 589 1,178 1,387 2,263 2,356 2,774 4,526 5,548 9,052 42,997 85,994 and 171,988, with no remainder.
Since 171,988 cannot be divided by just 1 and 171,988, it is not a prime number.