Q: Is 2,643,242 a Prime Number?
A: No, 2,643,242 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 2643242 can be evenly divided by 1 2 7 14 19 38 133 266 361 523 722 1,046 2,527 3,661 5,054 7,322 9,937 19,874 69,559 139,118 188,803 377,606 1,321,621 and 2,643,242, with no remainder.
Since 2,643,242 cannot be divided by just 1 and 2,643,242, it is not a prime number.