Q: Is 331,840 a Prime Number?
A: No, 331,840 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 331840 can be evenly divided by 1 2 4 5 8 10 16 17 20 32 34 40 61 64 68 80 85 122 136 160 170 244 272 305 320 340 488 544 610 680 976 1,037 1,088 1,220 1,360 1,952 2,074 2,440 2,720 3,904 4,148 4,880 5,185 5,440 8,296 9,760 10,370 16,592 19,520 20,740 33,184 41,480 66,368 82,960 165,920 and 331,840, with no remainder.
Since 331,840 cannot be divided by just 1 and 331,840, it is not a prime number.