Q: Is 831,040 a Prime Number?
A: No, 831,040 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 831040 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 53 56 64 70 80 98 106 112 140 160 196 212 224 245 265 280 320 371 392 424 448 490 530 560 742 784 848 980 1,060 1,120 1,484 1,568 1,696 1,855 1,960 2,120 2,240 2,597 2,968 3,136 3,392 3,710 3,920 4,240 5,194 5,936 7,420 7,840 8,480 10,388 11,872 12,985 14,840 15,680 16,960 20,776 23,744 25,970 29,680 41,552 51,940 59,360 83,104 103,880 118,720 166,208 207,760 415,520 and 831,040, with no remainder.
Since 831,040 cannot be divided by just 1 and 831,040, it is not a prime number.