Q: Is 1,641,424 a Prime Number?
A: No, 1,641,424 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 1641424 can be evenly divided by 1 2 4 8 16 173 346 593 692 1,186 1,384 2,372 2,768 4,744 9,488 102,589 205,178 410,356 820,712 and 1,641,424, with no remainder.
Since 1,641,424 cannot be divided by just 1 and 1,641,424, it is not a prime number.