Q: Is 2,641,616 a Prime Number?
A: No, 2,641,616 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 2641616 can be evenly divided by 1 2 4 8 16 107 214 428 856 1,543 1,712 3,086 6,172 12,344 24,688 165,101 330,202 660,404 1,320,808 and 2,641,616, with no remainder.
Since 2,641,616 cannot be divided by just 1 and 2,641,616, it is not a prime number.