Q: Is 1,375,728 a Prime Number?
A: No, 1,375,728 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 1375728 can be evenly divided by 1 2 3 4 6 8 12 16 24 48 28,661 57,322 85,983 114,644 171,966 229,288 343,932 458,576 687,864 and 1,375,728, with no remainder.
Since 1,375,728 cannot be divided by just 1 and 1,375,728, it is not a prime number.