Q: Is 290,640 a Composite Number?

Why is 290,640 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 290,640 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 84 105 112 120 140 168 173 210 240 280 336 346 420 519 560 692 840 865 1,038 1,211 1,384 1,680 1,730 2,076 2,422 2,595 2,768 3,460 3,633 4,152 4,844 5,190 6,055 6,920 7,266 8,304 9,688 10,380 12,110 13,840 14,532 18,165 19,376 20,760 24,220 29,064 36,330 41,520 48,440 58,128 72,660 96,880 145,320 and 290,640, with no remainder.

Since 290,640 cannot be divided by just 1 and 290,640, 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).