Q: Is 447,720 a Composite Number?

Why is 447,720 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 447,720 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 35 39 40 41 42 52 56 60 65 70 78 82 84 91 104 105 120 123 130 140 156 164 168 182 195 205 210 246 260 273 280 287 312 328 364 390 410 420 455 492 520 533 546 574 615 728 780 820 840 861 910 984 1,066 1,092 1,148 1,230 1,365 1,435 1,560 1,599 1,640 1,722 1,820 2,132 2,184 2,296 2,460 2,665 2,730 2,870 3,198 3,444 3,640 3,731 4,264 4,305 4,920 5,330 5,460 5,740 6,396 6,888 7,462 7,995 8,610 10,660 10,920 11,193 11,480 12,792 14,924 15,990 17,220 18,655 21,320 22,386 29,848 31,980 34,440 37,310 44,772 55,965 63,960 74,620 89,544 111,930 149,240 223,860 and 447,720, with no remainder.

Since 447,720 cannot be divided by just 1 and 447,720, 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).