Q: Is 2,443,921 a Prime Number?
A: No, 2,443,921 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 2443921 can be evenly divided by 1 347 7,043 and 2,443,921, with no remainder.
Since 2,443,921 cannot be divided by just 1 and 2,443,921, it is not a prime number.