Q: Is 106,821 a Prime Number?
A: No, 106,821 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 106821 can be evenly divided by 1 3 9 11 13 33 39 83 99 117 143 249 429 747 913 1,079 1,287 2,739 3,237 8,217 9,711 11,869 35,607 and 106,821, with no remainder.
Since 106,821 cannot be divided by just 1 and 106,821, it is not a prime number.