Q: Is 273,420 a Composite Number?

Why is 273,420 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 273,420 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 31 35 36 42 45 49 60 62 63 70 84 90 93 98 105 124 126 140 147 155 180 186 196 210 217 245 252 279 294 310 315 372 420 434 441 465 490 558 588 620 630 651 735 868 882 930 980 1,085 1,116 1,260 1,302 1,395 1,470 1,519 1,764 1,860 1,953 2,170 2,205 2,604 2,790 2,940 3,038 3,255 3,906 4,340 4,410 4,557 5,580 6,076 6,510 7,595 7,812 8,820 9,114 9,765 13,020 13,671 15,190 18,228 19,530 22,785 27,342 30,380 39,060 45,570 54,684 68,355 91,140 136,710 and 273,420, with no remainder.

Since 273,420 cannot be divided by just 1 and 273,420, 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).