Q: Is 1,743,420 a Composite Number?

Why is 1,743,420 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 1,743,420 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 593 735 980 1,186 1,470 1,779 2,372 2,940 2,965 3,558 4,151 5,930 7,116 8,302 8,895 11,860 12,453 16,604 17,790 20,755 24,906 29,057 35,580 41,510 49,812 58,114 62,265 83,020 87,171 116,228 124,530 145,285 174,342 249,060 290,570 348,684 435,855 581,140 871,710 and 1,743,420, with no remainder.

Since 1,743,420 cannot be divided by just 1 and 1,743,420, 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).