Q: Is 189,720 a Composite Number?

Why is 189,720 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 189,720 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 30 31 34 36 40 45 51 60 62 68 72 85 90 93 102 120 124 136 153 155 170 180 186 204 248 255 279 306 310 340 360 372 408 465 510 527 558 612 620 680 744 765 930 1,020 1,054 1,116 1,224 1,240 1,395 1,530 1,581 1,860 2,040 2,108 2,232 2,635 2,790 3,060 3,162 3,720 4,216 4,743 5,270 5,580 6,120 6,324 7,905 9,486 10,540 11,160 12,648 15,810 18,972 21,080 23,715 31,620 37,944 47,430 63,240 94,860 and 189,720, with no remainder.

Since 189,720 cannot be divided by just 1 and 189,720, 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).