Q: Is 2,168,880 a Composite Number?

Why is 2,168,880 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 2,168,880 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1,291 1,680 2,582 3,873 5,164 6,455 7,746 9,037 10,328 12,910 15,492 18,074 19,365 20,656 25,820 27,111 30,984 36,148 38,730 45,185 51,640 54,222 61,968 72,296 77,460 90,370 103,280 108,444 135,555 144,592 154,920 180,740 216,888 271,110 309,840 361,480 433,776 542,220 722,960 1,084,440 and 2,168,880, with no remainder.

Since 2,168,880 cannot be divided by just 1 and 2,168,880, 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).