Q: Is 1,788,480 a Composite Number?

Why is 1,788,480 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 1,788,480 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 27 30 32 36 40 45 46 48 54 60 64 69 72 80 81 90 92 96 108 115 120 135 138 144 160 162 180 184 192 207 216 230 240 243 270 276 288 320 324 345 360 368 405 414 432 460 480 486 540 552 576 621 648 690 720 736 810 828 864 920 960 972 1,035 1,080 1,104 1,215 1,242 1,296 1,380 1,440 1,472 1,620 1,656 1,728 1,840 1,863 1,944 2,070 2,160 2,208 2,430 2,484 2,592 2,760 2,880 3,105 3,240 3,312 3,680 3,726 3,888 4,140 4,320 4,416 4,860 4,968 5,184 5,520 5,589 6,210 6,480 6,624 7,360 7,452 7,776 8,280 8,640 9,315 9,720 9,936 11,040 11,178 12,420 12,960 13,248 14,904 15,552 16,560 18,630 19,440 19,872 22,080 22,356 24,840 25,920 27,945 29,808 33,120 37,260 38,880 39,744 44,712 49,680 55,890 59,616 66,240 74,520 77,760 89,424 99,360 111,780 119,232 149,040 178,848 198,720 223,560 298,080 357,696 447,120 596,160 894,240 and 1,788,480, with no remainder.

Since 1,788,480 cannot be divided by just 1 and 1,788,480, 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).