Q: Is 161,040 a Composite Number?

Why is 161,040 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 161,040 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 61 66 80 88 110 120 122 132 165 176 183 220 240 244 264 305 330 366 440 488 528 610 660 671 732 880 915 976 1,220 1,320 1,342 1,464 1,830 2,013 2,440 2,640 2,684 2,928 3,355 3,660 4,026 4,880 5,368 6,710 7,320 8,052 10,065 10,736 13,420 14,640 16,104 20,130 26,840 32,208 40,260 53,680 80,520 and 161,040, with no remainder.

Since 161,040 cannot be divided by just 1 and 161,040, 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).