Q: Is 163,961 a Prime Number?
A: No, 163,961 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 163961 can be evenly divided by 1 7 59 397 413 2,779 23,423 and 163,961, with no remainder.
Since 163,961 cannot be divided by just 1 and 163,961, it is not a prime number.