Q: Is 3,621,743 a Prime Number?
A: No, 3,621,743 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 3621743 can be evenly divided by 1 109 149 223 16,241 24,307 33,227 and 3,621,743, with no remainder.
Since 3,621,743 cannot be divided by just 1 and 3,621,743, it is not a prime number.