Q: Is 135,720 a Composite Number?

Why is 135,720 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 135,720 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 29 30 36 39 40 45 52 58 60 65 72 78 87 90 104 116 117 120 130 145 156 174 180 195 232 234 260 261 290 312 348 360 377 390 435 468 520 522 580 585 696 754 780 870 936 1,044 1,131 1,160 1,170 1,305 1,508 1,560 1,740 1,885 2,088 2,262 2,340 2,610 3,016 3,393 3,480 3,770 4,524 4,680 5,220 5,655 6,786 7,540 9,048 10,440 11,310 13,572 15,080 16,965 22,620 27,144 33,930 45,240 67,860 and 135,720, with no remainder.

Since 135,720 cannot be divided by just 1 and 135,720, 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).