Q: Is 42,536 a Prime Number?
A: No, 42,536 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 42536 can be evenly divided by 1 2 4 8 13 26 52 104 409 818 1,636 3,272 5,317 10,634 21,268 and 42,536, with no remainder.
Since 42,536 cannot be divided by just 1 and 42,536, it is not a prime number.