Q: Is 1,676,840 a Composite Number?

Why is 1,676,840 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 1,676,840 can be evenly divided by 1 2 4 5 8 10 11 20 22 37 40 44 55 74 88 103 110 148 185 206 220 296 370 407 412 440 515 740 814 824 1,030 1,133 1,480 1,628 2,035 2,060 2,266 3,256 3,811 4,070 4,120 4,532 5,665 7,622 8,140 9,064 11,330 15,244 16,280 19,055 22,660 30,488 38,110 41,921 45,320 76,220 83,842 152,440 167,684 209,605 335,368 419,210 838,420 and 1,676,840, with no remainder.

Since 1,676,840 cannot be divided by just 1 and 1,676,840, 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).