Q: Is 542,878 a Prime Number?
A: No, 542,878 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 542878 can be evenly divided by 1 2 7 14 17 34 119 238 2,281 4,562 15,967 31,934 38,777 77,554 271,439 and 542,878, with no remainder.
Since 542,878 cannot be divided by just 1 and 542,878, it is not a prime number.