Q: Is 478,720 a Composite Number?

Why is 478,720 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 478,720 can be evenly divided by 1 2 4 5 8 10 11 16 17 20 22 32 34 40 44 55 64 68 80 85 88 110 128 136 160 170 176 187 220 256 272 320 340 352 374 440 512 544 640 680 704 748 880 935 1,088 1,280 1,360 1,408 1,496 1,760 1,870 2,176 2,560 2,720 2,816 2,992 3,520 3,740 4,352 5,440 5,632 5,984 7,040 7,480 8,704 10,880 11,968 14,080 14,960 21,760 23,936 28,160 29,920 43,520 47,872 59,840 95,744 119,680 239,360 and 478,720, with no remainder.

Since 478,720 cannot be divided by just 1 and 478,720, 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).