Q: Is 3,643,988 a Prime Number?
A: No, 3,643,988 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 3643988 can be evenly divided by 1 2 4 31 62 124 29,387 58,774 117,548 910,997 1,821,994 and 3,643,988, with no remainder.
Since 3,643,988 cannot be divided by just 1 and 3,643,988, it is not a prime number.