Q: Is 1,243,960 a Prime Number?
A: No, 1,243,960 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 1243960 can be evenly divided by 1 2 4 5 8 10 20 40 137 227 274 454 548 685 908 1,096 1,135 1,370 1,816 2,270 2,740 4,540 5,480 9,080 31,099 62,198 124,396 155,495 248,792 310,990 621,980 and 1,243,960, with no remainder.
Since 1,243,960 cannot be divided by just 1 and 1,243,960, it is not a prime number.