Q: Is 162,820 a Prime Number?
A: No, 162,820 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 162820 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 1,163 2,326 4,652 5,815 8,141 11,630 16,282 23,260 32,564 40,705 81,410 and 162,820, with no remainder.
Since 162,820 cannot be divided by just 1 and 162,820, it is not a prime number.