Q: Is 542,740 a Prime Number?
A: No, 542,740 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 542740 can be evenly divided by 1 2 4 5 10 11 20 22 44 55 110 220 2,467 4,934 9,868 12,335 24,670 27,137 49,340 54,274 108,548 135,685 271,370 and 542,740, with no remainder.
Since 542,740 cannot be divided by just 1 and 542,740, it is not a prime number.