Q: Is 338,640 a Prime Number?
A: No, 338,640 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 338640 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 68 80 83 85 102 120 136 166 170 204 240 249 255 272 332 340 408 415 498 510 664 680 816 830 996 1,020 1,245 1,328 1,360 1,411 1,660 1,992 2,040 2,490 2,822 3,320 3,984 4,080 4,233 4,980 5,644 6,640 7,055 8,466 9,960 11,288 14,110 16,932 19,920 21,165 22,576 28,220 33,864 42,330 56,440 67,728 84,660 112,880 169,320 and 338,640, with no remainder.
Since 338,640 cannot be divided by just 1 and 338,640, it is not a prime number.