Q: Is 1,533,840 a Composite Number?

Why is 1,533,840 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 1,533,840 can be evenly divided by 1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 30 33 35 40 42 44 48 55 56 60 66 70 77 80 83 84 88 105 110 112 120 132 140 154 165 166 168 176 210 220 231 240 249 264 280 308 330 332 336 385 415 420 440 462 498 528 560 581 616 660 664 770 830 840 880 913 924 996 1,155 1,162 1,232 1,245 1,320 1,328 1,540 1,660 1,680 1,743 1,826 1,848 1,992 2,310 2,324 2,490 2,640 2,739 2,905 3,080 3,320 3,486 3,652 3,696 3,984 4,565 4,620 4,648 4,980 5,478 5,810 6,160 6,391 6,640 6,972 7,304 8,715 9,130 9,240 9,296 9,960 10,956 11,620 12,782 13,695 13,944 14,608 17,430 18,260 18,480 19,173 19,920 21,912 23,240 25,564 27,390 27,888 31,955 34,860 36,520 38,346 43,824 46,480 51,128 54,780 63,910 69,720 73,040 76,692 95,865 102,256 109,560 127,820 139,440 153,384 191,730 219,120 255,640 306,768 383,460 511,280 766,920 and 1,533,840, with no remainder.

Since 1,533,840 cannot be divided by just 1 and 1,533,840, 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).