Q: Is 1,854,720 a Composite Number?

Why is 1,854,720 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 1,854,720 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 23 24 28 30 32 35 36 40 42 45 46 48 56 60 63 64 69 70 72 80 84 90 92 96 105 112 115 120 126 128 138 140 144 160 161 168 180 184 192 207 210 224 230 240 252 256 276 280 288 315 320 322 336 345 360 368 384 414 420 448 460 480 483 504 552 560 576 630 640 644 672 690 720 736 768 805 828 840 896 920 960 966 1,008 1,035 1,104 1,120 1,152 1,260 1,280 1,288 1,344 1,380 1,440 1,449 1,472 1,610 1,656 1,680 1,792 1,840 1,920 1,932 2,016 2,070 2,208 2,240 2,304 2,415 2,520 2,576 2,688 2,760 2,880 2,898 2,944 3,220 3,312 3,360 3,680 3,840 3,864 4,032 4,140 4,416 4,480 4,830 5,040 5,152 5,376 5,520 5,760 5,796 5,888 6,440 6,624 6,720 7,245 7,360 7,728 8,064 8,280 8,832 8,960 9,660 10,080 10,304 11,040 11,520 11,592 12,880 13,248 13,440 14,490 14,720 15,456 16,128 16,560 17,664 19,320 20,160 20,608 22,080 23,184 25,760 26,496 26,880 28,980 29,440 30,912 33,120 38,640 40,320 41,216 44,160 46,368 51,520 52,992 57,960 61,824 66,240 77,280 80,640 88,320 92,736 103,040 115,920 123,648 132,480 154,560 185,472 206,080 231,840 264,960 309,120 370,944 463,680 618,240 927,360 and 1,854,720, with no remainder.

Since 1,854,720 cannot be divided by just 1 and 1,854,720, 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).