Q: Is 3,729,643 a Prime Number?
A: No, 3,729,643 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 3729643 can be evenly divided by 1 19 73 1,387 2,689 51,091 196,297 and 3,729,643, with no remainder.
Since 3,729,643 cannot be divided by just 1 and 3,729,643, it is not a prime number.