Q: Is 2,443,220 a Prime Number?
A: No, 2,443,220 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 2443220 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 9,397 18,794 37,588 46,985 93,970 122,161 187,940 244,322 488,644 610,805 1,221,610 and 2,443,220, with no remainder.
Since 2,443,220 cannot be divided by just 1 and 2,443,220, it is not a prime number.