Q: Is 840,008 a Prime Number?
A: No, 840,008 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 840008 can be evenly divided by 1 2 4 8 13 26 41 52 82 104 164 197 328 394 533 788 1,066 1,576 2,132 2,561 4,264 5,122 8,077 10,244 16,154 20,488 32,308 64,616 105,001 210,002 420,004 and 840,008, with no remainder.
Since 840,008 cannot be divided by just 1 and 840,008, it is not a prime number.