Q: Is 31,140,120 a Composite Number?

Why is 31,140,120 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 31,140,120 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 31 33 40 44 55 60 62 66 88 93 110 120 124 132 155 165 186 220 248 264 310 330 341 372 440 465 620 660 682 744 761 930 1,023 1,240 1,320 1,364 1,522 1,705 1,860 2,046 2,283 2,728 3,044 3,410 3,720 3,805 4,092 4,566 5,115 6,088 6,820 7,610 8,184 8,371 9,132 10,230 11,415 13,640 15,220 16,742 18,264 20,460 22,830 23,591 25,113 30,440 33,484 40,920 41,855 45,660 47,182 50,226 66,968 70,773 83,710 91,320 94,364 100,452 117,955 125,565 141,546 167,420 188,728 200,904 235,910 251,130 259,501 283,092 334,840 353,865 471,820 502,260 519,002 566,184 707,730 778,503 943,640 1,004,520 1,038,004 1,297,505 1,415,460 1,557,006 2,076,008 2,595,010 2,830,920 3,114,012 3,892,515 5,190,020 6,228,024 7,785,030 10,380,040 15,570,060 and 31,140,120, with no remainder.

Since 31,140,120 cannot be divided by just 1 and 31,140,120, 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).