Q: Is 225,720 a Composite Number?

Why is 225,720 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 225,720 can be evenly divided by 1 2 3 4 5 6 8 9 10 11 12 15 18 19 20 22 24 27 30 33 36 38 40 44 45 54 55 57 60 66 72 76 88 90 95 99 108 110 114 120 132 135 152 165 171 180 190 198 209 216 220 228 264 270 285 297 330 342 360 380 396 418 440 456 495 513 540 570 594 627 660 684 760 792 836 855 990 1,026 1,045 1,080 1,140 1,188 1,254 1,320 1,368 1,485 1,672 1,710 1,881 1,980 2,052 2,090 2,280 2,376 2,508 2,565 2,970 3,135 3,420 3,762 3,960 4,104 4,180 5,016 5,130 5,643 5,940 6,270 6,840 7,524 8,360 9,405 10,260 11,286 11,880 12,540 15,048 18,810 20,520 22,572 25,080 28,215 37,620 45,144 56,430 75,240 112,860 and 225,720, with no remainder.

Since 225,720 cannot be divided by just 1 and 225,720, 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).