Q: Is 31,535,040 a Composite Number?

Why is 31,535,040 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 31,535,040 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 107 120 160 192 214 240 307 320 321 428 480 535 614 642 856 921 960 1,070 1,228 1,284 1,535 1,605 1,712 1,842 2,140 2,456 2,568 3,070 3,210 3,424 3,684 4,280 4,605 4,912 5,136 6,140 6,420 6,848 7,368 8,560 9,210 9,824 10,272 12,280 12,840 14,736 17,120 18,420 19,648 20,544 24,560 25,680 29,472 32,849 34,240 36,840 49,120 51,360 58,944 65,698 73,680 98,240 98,547 102,720 131,396 147,360 164,245 197,094 262,792 294,720 328,490 394,188 492,735 525,584 656,980 788,376 985,470 1,051,168 1,313,960 1,576,752 1,970,940 2,102,336 2,627,920 3,153,504 3,941,880 5,255,840 6,307,008 7,883,760 10,511,680 15,767,520 and 31,535,040, with no remainder.

Since 31,535,040 cannot be divided by just 1 and 31,535,040, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).