Q: Is 5,055,421 a Prime Number?
A: No, 5,055,421 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 5055421 can be evenly divided by 1 7 37 131 149 259 917 1,043 4,847 5,513 19,519 33,929 38,591 136,633 722,203 and 5,055,421, with no remainder.
Since 5,055,421 cannot be divided by just 1 and 5,055,421, it is not a prime number.