Q: Is 2,940,021 a Prime Number?
A: No, 2,940,021 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 2940021 can be evenly divided by 1 3 7 9 21 23 63 69 161 207 483 1,449 2,029 6,087 14,203 18,261 42,609 46,667 127,827 140,001 326,669 420,003 980,007 and 2,940,021, with no remainder.
Since 2,940,021 cannot be divided by just 1 and 2,940,021, it is not a prime number.