Q: Is 16,820 a Prime Number?
A: No, 16,820 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 16820 can be evenly divided by 1 2 4 5 10 20 29 58 116 145 290 580 841 1,682 3,364 4,205 8,410 and 16,820, with no remainder.
Since 16,820 cannot be divided by just 1 and 16,820, it is not a prime number.