Q: Is 221,023,040 a Composite Number?

Why is 221,023,040 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 221,023,040 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 79 80 112 140 158 160 224 280 316 320 395 448 553 560 632 790 1,106 1,120 1,249 1,264 1,580 2,212 2,240 2,498 2,528 2,765 3,160 4,424 4,996 5,056 5,530 6,245 6,320 8,743 8,848 9,992 11,060 12,490 12,640 17,486 17,696 19,984 22,120 24,980 25,280 34,972 35,392 39,968 43,715 44,240 49,960 69,944 79,936 87,430 88,480 98,671 99,920 139,888 174,860 176,960 197,342 199,840 279,776 349,720 394,684 399,680 493,355 559,552 690,697 699,440 789,368 986,710 1,381,394 1,398,880 1,578,736 1,973,420 2,762,788 2,797,760 3,157,472 3,453,485 3,946,840 5,525,576 6,314,944 6,906,970 7,893,680 11,051,152 13,813,940 15,787,360 22,102,304 27,627,880 31,574,720 44,204,608 55,255,760 110,511,520 and 221,023,040, with no remainder.

Since 221,023,040 cannot be divided by just 1 and 221,023,040, 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).