Q: Is 691,440 a Composite Number?

Why is 691,440 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 691,440 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 43 48 60 67 80 86 120 129 134 172 201 215 240 258 268 335 344 402 430 516 536 645 670 688 804 860 1,005 1,032 1,072 1,290 1,340 1,608 1,720 2,010 2,064 2,580 2,680 2,881 3,216 3,440 4,020 5,160 5,360 5,762 8,040 8,643 10,320 11,524 14,405 16,080 17,286 23,048 28,810 34,572 43,215 46,096 57,620 69,144 86,430 115,240 138,288 172,860 230,480 345,720 and 691,440, with no remainder.

Since 691,440 cannot be divided by just 1 and 691,440, 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).