Q: Is 385,440 a Composite Number?

Why is 385,440 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 385,440 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 66 73 80 88 96 110 120 132 146 160 165 176 219 220 240 264 292 330 352 365 438 440 480 528 584 660 730 803 876 880 1,056 1,095 1,168 1,320 1,460 1,606 1,752 1,760 2,190 2,336 2,409 2,640 2,920 3,212 3,504 4,015 4,380 4,818 5,280 5,840 6,424 7,008 8,030 8,760 9,636 11,680 12,045 12,848 16,060 17,520 19,272 24,090 25,696 32,120 35,040 38,544 48,180 64,240 77,088 96,360 128,480 192,720 and 385,440, with no remainder.

Since 385,440 cannot be divided by just 1 and 385,440, 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).