Q: Is 420,660 a Composite Number?

Why is 420,660 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 420,660 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 19 20 27 30 36 38 41 45 54 57 60 76 82 90 95 108 114 123 135 164 171 180 190 205 228 246 270 285 342 369 380 410 492 513 540 570 615 684 738 779 820 855 1,026 1,107 1,140 1,230 1,476 1,558 1,710 1,845 2,052 2,214 2,337 2,460 2,565 3,116 3,420 3,690 3,895 4,428 4,674 5,130 5,535 7,011 7,380 7,790 9,348 10,260 11,070 11,685 14,022 15,580 21,033 22,140 23,370 28,044 35,055 42,066 46,740 70,110 84,132 105,165 140,220 210,330 and 420,660, with no remainder.

Since 420,660 cannot be divided by just 1 and 420,660, 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).