Q: Is 542,669 a Prime Number?
A: No, 542,669 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 542669 can be evenly divided by 1 421 1,289 and 542,669, with no remainder.
Since 542,669 cannot be divided by just 1 and 542,669, it is not a prime number.