Q: Is 189,420 a Composite Number?

Why is 189,420 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 189,420 can be evenly divided by 1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 41 42 44 55 60 66 70 77 82 84 105 110 123 132 140 154 164 165 205 210 220 231 246 287 308 330 385 410 420 451 462 492 574 615 660 770 820 861 902 924 1,148 1,155 1,230 1,353 1,435 1,540 1,722 1,804 2,255 2,310 2,460 2,706 2,870 3,157 3,444 4,305 4,510 4,620 5,412 5,740 6,314 6,765 8,610 9,020 9,471 12,628 13,530 15,785 17,220 18,942 27,060 31,570 37,884 47,355 63,140 94,710 and 189,420, with no remainder.

Since 189,420 cannot be divided by just 1 and 189,420, 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).