Q: Is 42,550 a Prime Number?
A: No, 42,550 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 42550 can be evenly divided by 1 2 5 10 23 25 37 46 50 74 115 185 230 370 575 851 925 1,150 1,702 1,850 4,255 8,510 21,275 and 42,550, with no remainder.
Since 42,550 cannot be divided by just 1 and 42,550, it is not a prime number.