Q: Is 540,009 a Prime Number?
A: No, 540,009 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 540009 can be evenly divided by 1 3 9 29 87 261 2,069 6,207 18,621 60,001 180,003 and 540,009, with no remainder.
Since 540,009 cannot be divided by just 1 and 540,009, it is not a prime number.