Q: Is 1,755,120 a Composite Number?

Why is 1,755,120 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 1,755,120 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 71 80 103 120 142 206 213 240 284 309 355 412 426 515 568 618 710 824 852 1,030 1,065 1,136 1,236 1,420 1,545 1,648 1,704 2,060 2,130 2,472 2,840 3,090 3,408 4,120 4,260 4,944 5,680 6,180 7,313 8,240 8,520 12,360 14,626 17,040 21,939 24,720 29,252 36,565 43,878 58,504 73,130 87,756 109,695 117,008 146,260 175,512 219,390 292,520 351,024 438,780 585,040 877,560 and 1,755,120, with no remainder.

Since 1,755,120 cannot be divided by just 1 and 1,755,120, 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).