Q: Is 542,166 a Prime Number?
A: No, 542,166 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 542166 can be evenly divided by 1 2 3 6 109 218 327 654 829 1,658 2,487 4,974 90,361 180,722 271,083 and 542,166, with no remainder.
Since 542,166 cannot be divided by just 1 and 542,166, it is not a prime number.