Q: Is 5,277,321 a Prime Number?
A: No, 5,277,321 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 5277321 can be evenly divided by 1 3 7 9 21 63 211 397 633 1,191 1,477 1,899 2,779 3,573 4,431 8,337 13,293 25,011 83,767 251,301 586,369 753,903 1,759,107 and 5,277,321, with no remainder.
Since 5,277,321 cannot be divided by just 1 and 5,277,321, it is not a prime number.