Q: Is 842,440 a Prime Number?
A: No, 842,440 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 842440 can be evenly divided by 1 2 4 5 8 10 20 40 21,061 42,122 84,244 105,305 168,488 210,610 421,220 and 842,440, with no remainder.
Since 842,440 cannot be divided by just 1 and 842,440, it is not a prime number.