Q: Is 542,648 a Prime Number?
A: No, 542,648 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 542648 can be evenly divided by 1 2 4 8 29 58 116 232 2,339 4,678 9,356 18,712 67,831 135,662 271,324 and 542,648, with no remainder.
Since 542,648 cannot be divided by just 1 and 542,648, it is not a prime number.