Q: Is 503,440 a Composite Number?

Why is 503,440 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 503,440 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 29 31 35 40 56 58 62 70 80 112 116 124 140 145 155 203 217 232 248 280 290 310 406 434 464 496 560 580 620 812 868 899 1,015 1,085 1,160 1,240 1,624 1,736 1,798 2,030 2,170 2,320 2,480 3,248 3,472 3,596 4,060 4,340 4,495 6,293 7,192 8,120 8,680 8,990 12,586 14,384 16,240 17,360 17,980 25,172 31,465 35,960 50,344 62,930 71,920 100,688 125,860 251,720 and 503,440, with no remainder.

Since 503,440 cannot be divided by just 1 and 503,440, 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).