Q: Is 378,805,840 a Composite Number?

Why is 378,805,840 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 378,805,840 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 35 40 53 56 70 80 106 112 140 212 265 280 371 424 530 560 742 848 1,060 1,484 1,855 2,120 2,968 3,710 4,240 5,936 7,420 12,763 14,840 25,526 29,680 51,052 63,815 89,341 102,104 127,630 178,682 204,208 255,260 357,364 446,705 510,520 676,439 714,728 893,410 1,021,040 1,352,878 1,429,456 1,786,820 2,705,756 3,382,195 3,573,640 4,735,073 5,411,512 6,764,390 7,147,280 9,470,146 10,823,024 13,528,780 18,940,292 23,675,365 27,057,560 37,880,584 47,350,730 54,115,120 75,761,168 94,701,460 189,402,920 and 378,805,840, with no remainder.

Since 378,805,840 cannot be divided by just 1 and 378,805,840, 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).