Q: Is 5,018,421 a Prime Number?
A: No, 5,018,421 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 5018421 can be evenly divided by 1 3 29 37 87 111 1,073 1,559 3,219 4,677 45,211 57,683 135,633 173,049 1,672,807 and 5,018,421, with no remainder.
Since 5,018,421 cannot be divided by just 1 and 5,018,421, it is not a prime number.