Q: Is 40,641 a Prime Number?
A: No, 40,641 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 40641 can be evenly divided by 1 3 19 23 31 57 69 93 437 589 713 1,311 1,767 2,139 13,547 and 40,641, with no remainder.
Since 40,641 cannot be divided by just 1 and 40,641, it is not a prime number.