Q: Is 395,280 a Composite Number?

Why is 395,280 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 395,280 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 61 72 80 81 90 108 120 122 135 144 162 180 183 216 240 244 270 305 324 360 366 405 432 488 540 549 610 648 720 732 810 915 976 1,080 1,098 1,220 1,296 1,464 1,620 1,647 1,830 2,160 2,196 2,440 2,745 2,928 3,240 3,294 3,660 4,392 4,880 4,941 5,490 6,480 6,588 7,320 8,235 8,784 9,882 10,980 13,176 14,640 16,470 19,764 21,960 24,705 26,352 32,940 39,528 43,920 49,410 65,880 79,056 98,820 131,760 197,640 and 395,280, with no remainder.

Since 395,280 cannot be divided by just 1 and 395,280, 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).