Q: Is 4,466,421 a Prime Number?
A: No, 4,466,421 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 4466421 can be evenly divided by 1 3 9 27 67 81 201 603 823 1,809 2,469 5,427 7,407 22,221 55,141 66,663 165,423 496,269 1,488,807 and 4,466,421, with no remainder.
Since 4,466,421 cannot be divided by just 1 and 4,466,421, it is not a prime number.