Q: Is 2,391,120 a Composite Number?

Why is 2,391,120 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 2,391,120 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 41 45 48 54 60 72 80 81 82 90 108 120 123 135 144 162 164 180 205 216 240 243 246 270 324 328 360 369 405 410 432 486 492 540 615 648 656 720 729 738 810 820 972 984 1,080 1,107 1,215 1,230 1,296 1,458 1,476 1,620 1,640 1,845 1,944 1,968 2,160 2,214 2,430 2,460 2,916 2,952 3,240 3,280 3,321 3,645 3,690 3,888 4,428 4,860 4,920 5,535 5,832 5,904 6,480 6,642 7,290 7,380 8,856 9,720 9,840 9,963 11,070 11,664 13,284 14,580 14,760 16,605 17,712 19,440 19,926 22,140 26,568 29,160 29,520 29,889 33,210 39,852 44,280 49,815 53,136 58,320 59,778 66,420 79,704 88,560 99,630 119,556 132,840 149,445 159,408 199,260 239,112 265,680 298,890 398,520 478,224 597,780 797,040 1,195,560 and 2,391,120, with no remainder.

Since 2,391,120 cannot be divided by just 1 and 2,391,120, 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).