Q: Is 728,280 a Composite Number?

Why is 728,280 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 728,280 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 17 18 20 21 24 28 30 34 35 36 40 42 45 51 56 60 63 68 70 72 84 85 90 102 105 119 120 126 136 140 153 168 170 180 204 210 238 252 255 280 289 306 315 340 357 360 408 420 476 504 510 578 595 612 630 680 714 765 840 867 952 1,020 1,071 1,156 1,190 1,224 1,260 1,428 1,445 1,530 1,734 1,785 2,023 2,040 2,142 2,312 2,380 2,520 2,601 2,856 2,890 3,060 3,468 3,570 4,046 4,284 4,335 4,760 5,202 5,355 5,780 6,069 6,120 6,936 7,140 8,092 8,568 8,670 10,115 10,404 10,710 11,560 12,138 13,005 14,280 16,184 17,340 18,207 20,230 20,808 21,420 24,276 26,010 30,345 34,680 36,414 40,460 42,840 48,552 52,020 60,690 72,828 80,920 91,035 104,040 121,380 145,656 182,070 242,760 364,140 and 728,280, with no remainder.

Since 728,280 cannot be divided by just 1 and 728,280, 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).