Q: Is 385,320 a Composite Number?

Why is 385,320 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 385,320 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 19 20 24 26 30 38 39 40 52 57 60 65 76 78 95 104 114 120 130 152 156 169 190 195 228 247 260 285 312 338 380 390 456 494 507 520 570 676 741 760 780 845 988 1,014 1,140 1,235 1,352 1,482 1,560 1,690 1,976 2,028 2,280 2,470 2,535 2,964 3,211 3,380 3,705 4,056 4,940 5,070 5,928 6,422 6,760 7,410 9,633 9,880 10,140 12,844 14,820 16,055 19,266 20,280 25,688 29,640 32,110 38,532 48,165 64,220 77,064 96,330 128,440 192,660 and 385,320, with no remainder.

Since 385,320 cannot be divided by just 1 and 385,320, 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).