Q: Is 143,220 a Composite Number?

Why is 143,220 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 143,220 can be evenly divided by 1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 31 33 35 42 44 55 60 62 66 70 77 84 93 105 110 124 132 140 154 155 165 186 210 217 220 231 308 310 330 341 372 385 420 434 462 465 620 651 660 682 770 868 924 930 1,023 1,085 1,155 1,302 1,364 1,540 1,705 1,860 2,046 2,170 2,310 2,387 2,604 3,255 3,410 4,092 4,340 4,620 4,774 5,115 6,510 6,820 7,161 9,548 10,230 11,935 13,020 14,322 20,460 23,870 28,644 35,805 47,740 71,610 and 143,220, with no remainder.

Since 143,220 cannot be divided by just 1 and 143,220, 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).