Q: Is 542,436 a Prime Number?
A: No, 542,436 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 542436 can be evenly divided by 1 2 3 4 6 12 17 34 51 68 102 204 2,659 5,318 7,977 10,636 15,954 31,908 45,203 90,406 135,609 180,812 271,218 and 542,436, with no remainder.
Since 542,436 cannot be divided by just 1 and 542,436, it is not a prime number.