Q: Is 542,680 a Prime Number?
A: No, 542,680 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 542680 can be evenly divided by 1 2 4 5 8 10 20 40 13,567 27,134 54,268 67,835 108,536 135,670 271,340 and 542,680, with no remainder.
Since 542,680 cannot be divided by just 1 and 542,680, it is not a prime number.