Q: Is 1,447,380 a Composite Number?

Why is 1,447,380 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 1,447,380 can be evenly divided by 1 2 3 4 5 6 9 10 11 12 15 17 18 20 22 30 33 34 36 43 44 45 51 55 60 66 68 85 86 90 99 102 110 129 132 153 165 170 172 180 187 198 204 215 220 255 258 306 330 340 374 387 396 430 473 495 510 516 561 612 645 660 731 748 765 774 860 935 946 990 1,020 1,122 1,290 1,419 1,462 1,530 1,548 1,683 1,870 1,892 1,935 1,980 2,193 2,244 2,365 2,580 2,805 2,838 2,924 3,060 3,366 3,655 3,740 3,870 4,257 4,386 4,730 5,610 5,676 6,579 6,732 7,095 7,310 7,740 8,041 8,415 8,514 8,772 9,460 10,965 11,220 13,158 14,190 14,620 16,082 16,830 17,028 21,285 21,930 24,123 26,316 28,380 32,164 32,895 33,660 40,205 42,570 43,860 48,246 65,790 72,369 80,410 85,140 96,492 120,615 131,580 144,738 160,820 241,230 289,476 361,845 482,460 723,690 and 1,447,380, with no remainder.

Since 1,447,380 cannot be divided by just 1 and 1,447,380, 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).