Q: Is 891,540 a Composite Number?

Why is 891,540 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 891,540 can be evenly divided by 1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 90 108 117 127 130 135 156 180 195 234 254 260 270 351 381 390 468 508 540 585 635 702 762 780 1,143 1,170 1,270 1,404 1,524 1,651 1,755 1,905 2,286 2,340 2,540 3,302 3,429 3,510 3,810 4,572 4,953 5,715 6,604 6,858 7,020 7,620 8,255 9,906 11,430 13,716 14,859 16,510 17,145 19,812 22,860 24,765 29,718 33,020 34,290 44,577 49,530 59,436 68,580 74,295 89,154 99,060 148,590 178,308 222,885 297,180 445,770 and 891,540, with no remainder.

Since 891,540 cannot be divided by just 1 and 891,540, 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).