Q: Is 153,720 a Composite Number?

Why is 153,720 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 153,720 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 61 63 70 72 84 90 105 120 122 126 140 168 180 183 210 244 252 280 305 315 360 366 420 427 488 504 549 610 630 732 840 854 915 1,098 1,220 1,260 1,281 1,464 1,708 1,830 2,135 2,196 2,440 2,520 2,562 2,745 3,416 3,660 3,843 4,270 4,392 5,124 5,490 6,405 7,320 7,686 8,540 10,248 10,980 12,810 15,372 17,080 19,215 21,960 25,620 30,744 38,430 51,240 76,860 and 153,720, with no remainder.

Since 153,720 cannot be divided by just 1 and 153,720, 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).