Q: Is 4,242,503 a Prime Number?
A: No, 4,242,503 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 4242503 can be evenly divided by 1 17 479 521 8,143 8,857 249,559 and 4,242,503, with no remainder.
Since 4,242,503 cannot be divided by just 1 and 4,242,503, it is not a prime number.