Q: Is 8,478,440 a Prime Number?
A: No, 8,478,440 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 8478440 can be evenly divided by 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1,160 7,309 14,618 29,236 36,545 58,472 73,090 146,180 211,961 292,360 423,922 847,844 1,059,805 1,695,688 2,119,610 4,239,220 and 8,478,440, with no remainder.
Since 8,478,440 cannot be divided by just 1 and 8,478,440, it is not a prime number.