Q: Is 486,780 a Composite Number?

Why is 486,780 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 486,780 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 35 38 42 57 60 61 70 76 84 95 105 114 122 133 140 183 190 210 228 244 266 285 305 366 380 399 420 427 532 570 610 665 732 798 854 915 1,140 1,159 1,220 1,281 1,330 1,596 1,708 1,830 1,995 2,135 2,318 2,562 2,660 3,477 3,660 3,990 4,270 4,636 5,124 5,795 6,405 6,954 7,980 8,113 8,540 11,590 12,810 13,908 16,226 17,385 23,180 24,339 25,620 32,452 34,770 40,565 48,678 69,540 81,130 97,356 121,695 162,260 243,390 and 486,780, with no remainder.

Since 486,780 cannot be divided by just 1 and 486,780, 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).