Q: Is 4,221,425 a Prime Number?
A: No, 4,221,425 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 4221425 can be evenly divided by 1 5 13 25 31 65 155 325 403 419 775 2,015 2,095 5,447 10,075 10,475 12,989 27,235 64,945 136,175 168,857 324,725 844,285 and 4,221,425, with no remainder.
Since 4,221,425 cannot be divided by just 1 and 4,221,425, it is not a prime number.