Q: Is 357,280 a Composite Number?

Why is 357,280 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 357,280 can be evenly divided by 1 2 4 5 7 8 10 11 14 16 20 22 28 29 32 35 40 44 55 56 58 70 77 80 88 110 112 116 140 145 154 160 176 203 220 224 232 280 290 308 319 352 385 406 440 464 560 580 616 638 770 812 880 928 1,015 1,120 1,160 1,232 1,276 1,540 1,595 1,624 1,760 2,030 2,233 2,320 2,464 2,552 3,080 3,190 3,248 4,060 4,466 4,640 5,104 6,160 6,380 6,496 8,120 8,932 10,208 11,165 12,320 12,760 16,240 17,864 22,330 25,520 32,480 35,728 44,660 51,040 71,456 89,320 178,640 and 357,280, with no remainder.

Since 357,280 cannot be divided by just 1 and 357,280, 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).