Q: Is 1,309,680 a Composite Number?

Why is 1,309,680 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 1,309,680 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 34 36 40 45 48 51 60 68 72 80 85 90 102 107 120 136 144 153 170 180 204 214 240 255 272 306 321 340 360 408 428 510 535 612 642 680 720 765 816 856 963 1,020 1,070 1,224 1,284 1,360 1,530 1,605 1,712 1,819 1,926 2,040 2,140 2,448 2,568 3,060 3,210 3,638 3,852 4,080 4,280 4,815 5,136 5,457 6,120 6,420 7,276 7,704 8,560 9,095 9,630 10,914 12,240 12,840 14,552 15,408 16,371 18,190 19,260 21,828 25,680 27,285 29,104 32,742 36,380 38,520 43,656 54,570 65,484 72,760 77,040 81,855 87,312 109,140 130,968 145,520 163,710 218,280 261,936 327,420 436,560 654,840 and 1,309,680, with no remainder.

Since 1,309,680 cannot be divided by just 1 and 1,309,680, 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).