Q: Is 165,511,520 a Composite Number?

Why is 165,511,520 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 165,511,520 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 59 80 89 118 160 178 197 236 295 356 394 445 472 590 712 788 890 944 985 1,180 1,424 1,576 1,780 1,888 1,970 2,360 2,848 3,152 3,560 3,940 4,720 5,251 6,304 7,120 7,880 9,440 10,502 11,623 14,240 15,760 17,533 21,004 23,246 26,255 31,520 35,066 42,008 46,492 52,510 58,115 70,132 84,016 87,665 92,984 105,020 116,230 140,264 168,032 175,330 185,968 210,040 232,460 280,528 350,660 371,936 420,080 464,920 561,056 701,320 840,160 929,840 1,034,447 1,402,640 1,859,680 2,068,894 2,805,280 4,137,788 5,172,235 8,275,576 10,344,470 16,551,152 20,688,940 33,102,304 41,377,880 82,755,760 and 165,511,520, with no remainder.

Since 165,511,520 cannot be divided by just 1 and 165,511,520, 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).