Q: Is 4,242,063 a Prime Number?
A: No, 4,242,063 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 4242063 can be evenly divided by 1 3 7 21 79 237 553 1,659 2,557 7,671 17,899 53,697 202,003 606,009 1,414,021 and 4,242,063, with no remainder.
Since 4,242,063 cannot be divided by just 1 and 4,242,063, it is not a prime number.