Q: Is 2,919,840 a Composite Number?

Why is 2,919,840 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 2,919,840 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 32 33 35 40 42 44 48 55 56 60 66 70 77 79 80 84 88 96 105 110 112 120 132 140 154 158 160 165 168 176 210 220 224 231 237 240 264 280 308 316 330 336 352 385 395 420 440 462 474 480 528 553 560 616 632 660 672 770 790 840 869 880 924 948 1,056 1,106 1,120 1,155 1,185 1,232 1,264 1,320 1,540 1,580 1,659 1,680 1,738 1,760 1,848 1,896 2,212 2,310 2,370 2,464 2,528 2,607 2,640 2,765 3,080 3,160 3,318 3,360 3,476 3,696 3,792 4,345 4,424 4,620 4,740 5,214 5,280 5,530 6,083 6,160 6,320 6,636 6,952 7,392 7,584 8,295 8,690 8,848 9,240 9,480 10,428 11,060 12,166 12,320 12,640 13,035 13,272 13,904 16,590 17,380 17,696 18,249 18,480 18,960 20,856 22,120 24,332 26,070 26,544 27,808 30,415 33,180 34,760 36,498 36,960 37,920 41,712 44,240 48,664 52,140 53,088 60,830 66,360 69,520 72,996 83,424 88,480 91,245 97,328 104,280 121,660 132,720 139,040 145,992 182,490 194,656 208,560 243,320 265,440 291,984 364,980 417,120 486,640 583,968 729,960 973,280 1,459,920 and 2,919,840, with no remainder.

Since 2,919,840 cannot be divided by just 1 and 2,919,840, 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).