Q: Is 542,620 a Prime Number?
A: No, 542,620 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 542620 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 2,087 4,174 8,348 10,435 20,870 27,131 41,740 54,262 108,524 135,655 271,310 and 542,620, with no remainder.
Since 542,620 cannot be divided by just 1 and 542,620, it is not a prime number.