Q: Is 3,555,520 a Composite Number?

Why is 3,555,520 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 3,555,520 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 41 64 80 82 160 164 205 271 320 328 410 542 656 820 1,084 1,312 1,355 1,640 2,168 2,624 2,710 3,280 4,336 5,420 6,560 8,672 10,840 11,111 13,120 17,344 21,680 22,222 43,360 44,444 55,555 86,720 88,888 111,110 177,776 222,220 355,552 444,440 711,104 888,880 1,777,760 and 3,555,520, with no remainder.

Since 3,555,520 cannot be divided by just 1 and 3,555,520, 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).