Q: Is 542,776 a Prime Number?
A: No, 542,776 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 542776 can be evenly divided by 1 2 4 8 13 17 26 34 52 68 104 136 221 307 442 614 884 1,228 1,768 2,456 3,991 5,219 7,982 10,438 15,964 20,876 31,928 41,752 67,847 135,694 271,388 and 542,776, with no remainder.
Since 542,776 cannot be divided by just 1 and 542,776, it is not a prime number.