Q: Is 542,550 a Prime Number?
A: No, 542,550 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 542550 can be evenly divided by 1 2 3 5 6 10 15 25 30 50 75 150 3,617 7,234 10,851 18,085 21,702 36,170 54,255 90,425 108,510 180,850 271,275 and 542,550, with no remainder.
Since 542,550 cannot be divided by just 1 and 542,550, it is not a prime number.