Q: Is 7,142,040 a Composite Number?

Why is 7,142,040 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 7,142,040 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 27 30 34 36 40 45 51 54 60 68 72 85 90 102 108 120 135 136 153 170 180 204 216 255 270 306 340 360 389 408 459 510 540 612 680 765 778 918 1,020 1,080 1,167 1,224 1,530 1,556 1,836 1,945 2,040 2,295 2,334 3,060 3,112 3,501 3,672 3,890 4,590 4,668 5,835 6,120 6,613 7,002 7,780 9,180 9,336 10,503 11,670 13,226 14,004 15,560 17,505 18,360 19,839 21,006 23,340 26,452 28,008 33,065 35,010 39,678 42,012 46,680 52,515 52,904 59,517 66,130 70,020 79,356 84,024 99,195 105,030 119,034 132,260 140,040 158,712 178,551 198,390 210,060 238,068 264,520 297,585 357,102 396,780 420,120 476,136 595,170 714,204 793,560 892,755 1,190,340 1,428,408 1,785,510 2,380,680 3,571,020 and 7,142,040, with no remainder.

Since 7,142,040 cannot be divided by just 1 and 7,142,040, 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).