Q: Is 101,661 a Prime Number?
A: No, 101,661 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 101661 can be evenly divided by 1 3 7 21 47 103 141 309 329 721 987 2,163 4,841 14,523 33,887 and 101,661, with no remainder.
Since 101,661 cannot be divided by just 1 and 101,661, it is not a prime number.