Q: Is 2,443,521 a Prime Number?
A: No, 2,443,521 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 2443521 can be evenly divided by 1 3 199 597 4,093 12,279 814,507 and 2,443,521, with no remainder.
Since 2,443,521 cannot be divided by just 1 and 2,443,521, it is not a prime number.