Q: Is 1,321,828 a Prime Number?
A: No, 1,321,828 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 1321828 can be evenly divided by 1 2 4 47 79 89 94 158 178 188 316 356 3,713 4,183 7,031 7,426 8,366 14,062 14,852 16,732 28,124 330,457 660,914 and 1,321,828, with no remainder.
Since 1,321,828 cannot be divided by just 1 and 1,321,828, it is not a prime number.