Q: Is 842,560 a Prime Number?
A: No, 842,560 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 842560 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 320 2,633 5,266 10,532 13,165 21,064 26,330 42,128 52,660 84,256 105,320 168,512 210,640 421,280 and 842,560, with no remainder.
Since 842,560 cannot be divided by just 1 and 842,560, it is not a prime number.