Q: Is 231,578,880 a Composite Number?

Why is 231,578,880 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 231,578,880 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 128 130 156 160 192 195 208 240 256 260 312 320 384 390 416 480 520 624 640 768 780 832 960 1,040 1,248 1,280 1,560 1,664 1,920 2,080 2,496 3,120 3,328 3,840 4,160 4,639 4,992 6,240 8,320 9,278 9,984 12,480 13,917 16,640 18,556 23,195 24,960 27,834 37,112 46,390 49,920 55,668 60,307 69,585 74,224 92,780 111,336 120,614 139,170 148,448 180,921 185,560 222,672 241,228 278,340 296,896 301,535 361,842 371,120 445,344 482,456 556,680 593,792 603,070 723,684 742,240 890,688 904,605 964,912 1,113,360 1,187,584 1,206,140 1,447,368 1,484,480 1,781,376 1,809,210 1,929,824 2,226,720 2,412,280 2,894,736 2,968,960 3,562,752 3,618,420 3,859,648 4,453,440 4,824,560 5,789,472 5,937,920 7,236,840 7,719,296 8,906,880 9,649,120 11,578,944 14,473,680 15,438,592 17,813,760 19,298,240 23,157,888 28,947,360 38,596,480 46,315,776 57,894,720 77,192,960 115,789,440 and 231,578,880, with no remainder.

Since 231,578,880 cannot be divided by just 1 and 231,578,880, 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).