Q: Is 2,167,398 a Prime Number?
A: No, 2,167,398 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 2167398 can be evenly divided by 1 2 3 6 9 17 18 27 34 51 54 81 102 153 162 306 459 787 918 1,377 1,574 2,361 2,754 4,722 7,083 13,379 14,166 21,249 26,758 40,137 42,498 63,747 80,274 120,411 127,494 240,822 361,233 722,466 1,083,699 and 2,167,398, with no remainder.
Since 2,167,398 cannot be divided by just 1 and 2,167,398, it is not a prime number.