Q: Is 1,858,320 a Composite Number?

Why is 1,858,320 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 1,858,320 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 36 40 45 48 58 60 72 80 87 89 90 116 120 144 145 174 178 180 232 240 261 267 290 348 356 360 435 445 464 522 534 580 696 712 720 801 870 890 1,044 1,068 1,160 1,305 1,335 1,392 1,424 1,602 1,740 1,780 2,088 2,136 2,320 2,581 2,610 2,670 3,204 3,480 3,560 4,005 4,176 4,272 5,162 5,220 5,340 6,408 6,960 7,120 7,743 8,010 10,324 10,440 10,680 12,816 12,905 15,486 16,020 20,648 20,880 21,360 23,229 25,810 30,972 32,040 38,715 41,296 46,458 51,620 61,944 64,080 77,430 92,916 103,240 116,145 123,888 154,860 185,832 206,480 232,290 309,720 371,664 464,580 619,440 929,160 and 1,858,320, with no remainder.

Since 1,858,320 cannot be divided by just 1 and 1,858,320, 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).