Q: Is 4,000,536 a Prime Number?
A: No, 4,000,536 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 4000536 can be evenly divided by 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 18,521 37,042 55,563 74,084 111,126 148,168 166,689 222,252 333,378 444,504 500,067 666,756 1,000,134 1,333,512 2,000,268 and 4,000,536, with no remainder.
Since 4,000,536 cannot be divided by just 1 and 4,000,536, it is not a prime number.