Q: Is 1,398,120 a Prime Number?
A: No, 1,398,120 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 1398120 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 61 120 122 183 191 244 305 366 382 488 573 610 732 764 915 955 1,146 1,220 1,464 1,528 1,830 1,910 2,292 2,440 2,865 3,660 3,820 4,584 5,730 7,320 7,640 11,460 11,651 22,920 23,302 34,953 46,604 58,255 69,906 93,208 116,510 139,812 174,765 233,020 279,624 349,530 466,040 699,060 and 1,398,120, with no remainder.
Since 1,398,120 cannot be divided by just 1 and 1,398,120, it is not a prime number.