Q: Is 1,337,728 a Prime Number?
A: No, 1,337,728 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 1337728 can be evenly divided by 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 1,493 2,986 5,972 10,451 11,944 20,902 23,888 41,804 47,776 83,608 95,552 167,216 191,104 334,432 668,864 and 1,337,728, with no remainder.
Since 1,337,728 cannot be divided by just 1 and 1,337,728, it is not a prime number.