Q: Is 1,509,504 a Prime Number?
A: No, 1,509,504 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 1509504 can be evenly divided by 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 3,931 7,862 11,793 15,724 23,586 31,448 47,172 62,896 94,344 125,792 188,688 251,584 377,376 503,168 754,752 and 1,509,504, with no remainder.
Since 1,509,504 cannot be divided by just 1 and 1,509,504, it is not a prime number.