Q: Is 821,072 a Prime Number?
A: No, 821,072 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 821072 can be evenly divided by 1 2 4 7 8 14 16 28 56 112 7,331 14,662 29,324 51,317 58,648 102,634 117,296 205,268 410,536 and 821,072, with no remainder.
Since 821,072 cannot be divided by just 1 and 821,072, it is not a prime number.