Q: Is 1,375,264 a Prime Number?
A: No, 1,375,264 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 1375264 can be evenly divided by 1 2 4 8 11 16 22 32 44 88 176 352 3,907 7,814 15,628 31,256 42,977 62,512 85,954 125,024 171,908 343,816 687,632 and 1,375,264, with no remainder.
Since 1,375,264 cannot be divided by just 1 and 1,375,264, it is not a prime number.