Q: Is 3,142,720 a Composite Number?

Why is 3,142,720 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 3,142,720 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 23 28 32 35 40 46 56 61 64 70 80 92 112 115 122 140 160 161 184 224 230 244 280 305 320 322 368 427 448 460 488 560 610 644 736 805 854 920 976 1,120 1,220 1,288 1,403 1,472 1,610 1,708 1,840 1,952 2,135 2,240 2,440 2,576 2,806 3,220 3,416 3,680 3,904 4,270 4,880 5,152 5,612 6,440 6,832 7,015 7,360 8,540 9,760 9,821 10,304 11,224 12,880 13,664 14,030 17,080 19,520 19,642 22,448 25,760 27,328 28,060 34,160 39,284 44,896 49,105 51,520 56,120 68,320 78,568 89,792 98,210 112,240 136,640 157,136 196,420 224,480 314,272 392,840 448,960 628,544 785,680 1,571,360 and 3,142,720, with no remainder.

Since 3,142,720 cannot be divided by just 1 and 3,142,720, 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).