Q: Is 4,021,225 a Prime Number?
A: No, 4,021,225 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 4021225 can be evenly divided by 1 5 13 25 65 325 12,373 61,865 160,849 309,325 804,245 and 4,021,225, with no remainder.
Since 4,021,225 cannot be divided by just 1 and 4,021,225, it is not a prime number.