Q: Is 2,400,921 a Prime Number?
A: No, 2,400,921 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 2400921 can be evenly divided by 1 3 9 27 81 29,641 88,923 266,769 800,307 and 2,400,921, with no remainder.
Since 2,400,921 cannot be divided by just 1 and 2,400,921, it is not a prime number.