Q: Is 7,205,940 a Composite Number?

Why is 7,205,940 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 7,205,940 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 28 30 35 36 38 42 43 45 49 57 60 63 70 76 84 86 90 95 98 105 114 126 129 133 140 147 171 172 180 190 196 210 215 228 245 252 258 266 285 294 301 315 342 380 387 399 420 430 441 490 516 532 570 588 602 630 645 665 684 735 774 798 817 855 860 882 903 931 980 1,140 1,197 1,204 1,260 1,290 1,330 1,470 1,505 1,548 1,596 1,634 1,710 1,764 1,806 1,862 1,935 1,995 2,107 2,205 2,394 2,451 2,580 2,660 2,709 2,793 2,940 3,010 3,268 3,420 3,612 3,724 3,870 3,990 4,085 4,214 4,410 4,515 4,655 4,788 4,902 5,418 5,586 5,719 5,985 6,020 6,321 7,353 7,740 7,980 8,170 8,379 8,428 8,820 9,030 9,310 9,804 10,535 10,836 11,172 11,438 11,970 12,255 12,642 13,545 13,965 14,706 16,340 16,758 17,157 18,060 18,620 18,963 21,070 22,876 23,940 24,510 25,284 27,090 27,930 28,595 29,412 31,605 33,516 34,314 36,765 37,926 40,033 41,895 42,140 49,020 51,471 54,180 55,860 57,190 63,210 68,628 73,530 75,852 80,066 83,790 85,785 94,815 102,942 114,380 120,099 126,420 147,060 160,132 167,580 171,570 189,630 200,165 205,884 240,198 257,355 343,140 360,297 379,260 400,330 480,396 514,710 600,495 720,594 800,660 1,029,420 1,200,990 1,441,188 1,801,485 2,401,980 3,602,970 and 7,205,940, with no remainder.

Since 7,205,940 cannot be divided by just 1 and 7,205,940, 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).