Q: Is 543,742 a Prime Number?
A: No, 543,742 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 543742 can be evenly divided by 1 2 19 38 41 82 349 698 779 1,558 6,631 13,262 14,309 28,618 271,871 and 543,742, with no remainder.
Since 543,742 cannot be divided by just 1 and 543,742, it is not a prime number.