Q: Is 5,241,321 a Prime Number?
A: No, 5,241,321 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 5241321 can be evenly divided by 1 3 9 17 19 27 51 57 153 171 323 459 513 601 969 1,803 2,907 5,409 8,721 10,217 11,419 16,227 30,651 34,257 91,953 102,771 194,123 275,859 308,313 582,369 1,747,107 and 5,241,321, with no remainder.
Since 5,241,321 cannot be divided by just 1 and 5,241,321, it is not a prime number.