Q: Is 1,000,641 a Prime Number?
A: No, 1,000,641 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 1000641 can be evenly divided by 1 3 281 843 1,187 3,561 333,547 and 1,000,641, with no remainder.
Since 1,000,641 cannot be divided by just 1 and 1,000,641, it is not a prime number.