Q: Is 1,122,520 a Composite Number?

Why is 1,122,520 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 1,122,520 can be evenly divided by 1 2 4 5 7 8 10 14 19 20 28 35 38 40 56 70 76 95 133 140 152 190 211 266 280 380 422 532 665 760 844 1,055 1,064 1,330 1,477 1,688 2,110 2,660 2,954 4,009 4,220 5,320 5,908 7,385 8,018 8,440 11,816 14,770 16,036 20,045 28,063 29,540 32,072 40,090 56,126 59,080 80,180 112,252 140,315 160,360 224,504 280,630 561,260 and 1,122,520, with no remainder.

Since 1,122,520 cannot be divided by just 1 and 1,122,520, 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).