Q: Is 2,247,021 a Prime Number?
A: No, 2,247,021 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 2247021 can be evenly divided by 1 3 7 9 21 27 63 81 189 243 567 1,321 1,701 3,963 9,247 11,889 27,741 35,667 83,223 107,001 249,669 321,003 749,007 and 2,247,021, with no remainder.
Since 2,247,021 cannot be divided by just 1 and 2,247,021, it is not a prime number.