Q: Is 638,880 a Composite Number?

Why is 638,880 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 638,880 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 80 88 96 110 120 121 132 160 165 176 220 240 242 264 330 352 363 440 480 484 528 605 660 726 880 968 1,056 1,210 1,320 1,331 1,452 1,760 1,815 1,936 2,420 2,640 2,662 2,904 3,630 3,872 3,993 4,840 5,280 5,324 5,808 6,655 7,260 7,986 9,680 10,648 11,616 13,310 14,520 15,972 19,360 19,965 21,296 26,620 29,040 31,944 39,930 42,592 53,240 58,080 63,888 79,860 106,480 127,776 159,720 212,960 319,440 and 638,880, with no remainder.

Since 638,880 cannot be divided by just 1 and 638,880, 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).