Q: Is 161,128 a Prime Number?
A: No, 161,128 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 161128 can be evenly divided by 1 2 4 8 11 22 44 88 1,831 3,662 7,324 14,648 20,141 40,282 80,564 and 161,128, with no remainder.
Since 161,128 cannot be divided by just 1 and 161,128, it is not a prime number.