Q: Is 542,736 a Prime Number?
A: No, 542,736 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 542736 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 3,769 7,538 11,307 15,076 22,614 30,152 33,921 45,228 60,304 67,842 90,456 135,684 180,912 271,368 and 542,736, with no remainder.
Since 542,736 cannot be divided by just 1 and 542,736, it is not a prime number.