Q: Is 161,660 a Prime Number?
A: No, 161,660 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 161660 can be evenly divided by 1 2 4 5 10 20 59 118 137 236 274 295 548 590 685 1,180 1,370 2,740 8,083 16,166 32,332 40,415 80,830 and 161,660, with no remainder.
Since 161,660 cannot be divided by just 1 and 161,660, it is not a prime number.