Q: Is 1,324,728 a Prime Number?
A: No, 1,324,728 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 1324728 can be evenly divided by 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 6,133 12,266 18,399 24,532 36,798 49,064 55,197 73,596 110,394 147,192 165,591 220,788 331,182 441,576 662,364 and 1,324,728, with no remainder.
Since 1,324,728 cannot be divided by just 1 and 1,324,728, it is not a prime number.