Q: Is 545,477 a Prime Number?
A: Yes, 545,477 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 545477 can be evenly divided by 1 and 545,477, with no remainder.
Since 545,477 can be divided by just 1 and 545,477, it is a prime number.