Q: Is 1,641,104 a Prime Number?
A: No, 1,641,104 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 1641104 can be evenly divided by 1 2 4 8 16 109 218 436 872 941 1,744 1,882 3,764 7,528 15,056 102,569 205,138 410,276 820,552 and 1,641,104, with no remainder.
Since 1,641,104 cannot be divided by just 1 and 1,641,104, it is not a prime number.