Q: Is 2,165,040 a Composite Number?

Why is 2,165,040 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 2,165,040 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 36 40 45 48 60 62 72 80 90 93 97 120 124 144 155 180 186 194 240 248 279 291 310 360 372 388 465 485 496 558 582 620 720 744 776 873 930 970 1,116 1,164 1,240 1,395 1,455 1,488 1,552 1,746 1,860 1,940 2,232 2,328 2,480 2,790 2,910 3,007 3,492 3,720 3,880 4,365 4,464 4,656 5,580 5,820 6,014 6,984 7,440 7,760 8,730 9,021 11,160 11,640 12,028 13,968 15,035 17,460 18,042 22,320 23,280 24,056 27,063 30,070 34,920 36,084 45,105 48,112 54,126 60,140 69,840 72,168 90,210 108,252 120,280 135,315 144,336 180,420 216,504 240,560 270,630 360,840 433,008 541,260 721,680 1,082,520 and 2,165,040, with no remainder.

Since 2,165,040 cannot be divided by just 1 and 2,165,040, 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).