Q: Is 1,660 a Prime Number?
A: No, 1,660 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 1660 can be evenly divided by 1 2 4 5 10 20 83 166 332 415 830 and 1,660, with no remainder.
Since 1,660 cannot be divided by just 1 and 1,660, it is not a prime number.