Q: Is 400,220,240 a Composite Number?

Why is 400,220,240 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 400,220,240 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 23 28 35 40 46 49 56 70 80 92 98 112 115 140 161 184 193 196 230 245 280 322 368 386 392 460 490 529 560 644 772 784 805 920 965 980 1,058 1,127 1,288 1,351 1,544 1,610 1,840 1,930 1,960 2,116 2,254 2,576 2,645 2,702 3,088 3,220 3,703 3,860 3,920 4,232 4,439 4,508 5,290 5,404 5,635 6,440 6,755 7,406 7,720 8,464 8,878 9,016 9,457 10,580 10,808 11,270 12,880 13,510 14,812 15,440 17,756 18,032 18,515 18,914 21,160 21,616 22,195 22,540 25,921 27,020 29,624 31,073 35,512 37,030 37,828 42,320 44,390 45,080 47,285 51,842 54,040 59,248 62,146 71,024 74,060 75,656 88,780 90,160 94,570 102,097 103,684 108,080 124,292 129,605 148,120 151,312 155,365 177,560 189,140 204,194 207,368 217,511 248,584 259,210 296,240 310,730 355,120 378,280 408,388 414,736 435,022 497,168 510,485 518,420 621,460 714,679 756,560 816,776 870,044 1,020,970 1,036,840 1,087,555 1,242,920 1,429,358 1,633,552 1,740,088 2,041,940 2,073,680 2,175,110 2,485,840 2,858,716 3,480,176 3,573,395 4,083,880 4,350,220 5,002,753 5,717,432 7,146,790 8,167,760 8,700,440 10,005,506 11,434,864 14,293,580 17,400,880 20,011,012 25,013,765 28,587,160 40,022,024 50,027,530 57,174,320 80,044,048 100,055,060 200,110,120 and 400,220,240, with no remainder.

Since 400,220,240 cannot be divided by just 1 and 400,220,240, 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).