Q: Is 42,320 a Prime Number?
A: No, 42,320 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 42320 can be evenly divided by 1 2 4 5 8 10 16 20 23 40 46 80 92 115 184 230 368 460 529 920 1,058 1,840 2,116 2,645 4,232 5,290 8,464 10,580 21,160 and 42,320, with no remainder.
Since 42,320 cannot be divided by just 1 and 42,320, it is not a prime number.