Q: Is 1,321,028 a Prime Number?
A: No, 1,321,028 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 1321028 can be evenly divided by 1 2 4 23 46 83 92 166 173 332 346 692 1,909 3,818 3,979 7,636 7,958 14,359 15,916 28,718 57,436 330,257 660,514 and 1,321,028, with no remainder.
Since 1,321,028 cannot be divided by just 1 and 1,321,028, it is not a prime number.