Q: Is 163,820 a Prime Number?
A: No, 163,820 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 163820 can be evenly divided by 1 2 4 5 10 20 8,191 16,382 32,764 40,955 81,910 and 163,820, with no remainder.
Since 163,820 cannot be divided by just 1 and 163,820, it is not a prime number.