Q: Is 1,028,223 a Prime Number?
A: No, 1,028,223 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 1028223 can be evenly divided by 1 3 7 9 19 21 57 63 133 171 399 859 1,197 2,577 6,013 7,731 16,321 18,039 48,963 54,117 114,247 146,889 342,741 and 1,028,223, with no remainder.
Since 1,028,223 cannot be divided by just 1 and 1,028,223, it is not a prime number.