Q: Is 542,115 a Prime Number?
A: No, 542,115 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 542115 can be evenly divided by 1 3 5 7 9 15 21 35 45 63 105 315 1,721 5,163 8,605 12,047 15,489 25,815 36,141 60,235 77,445 108,423 180,705 and 542,115, with no remainder.
Since 542,115 cannot be divided by just 1 and 542,115, it is not a prime number.