Q: Is 31,003,000 a Composite Number?

Why is 31,003,000 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 31,003,000 can be evenly divided by 1 2 4 5 7 8 10 14 20 25 28 35 40 43 50 56 70 86 100 103 125 140 172 175 200 206 215 250 280 301 344 350 412 430 500 515 602 700 721 824 860 875 1,000 1,030 1,075 1,204 1,400 1,442 1,505 1,720 1,750 2,060 2,150 2,408 2,575 2,884 3,010 3,500 3,605 4,120 4,300 4,429 5,150 5,375 5,768 6,020 7,000 7,210 7,525 8,600 8,858 10,300 10,750 12,040 12,875 14,420 15,050 17,716 18,025 20,600 21,500 22,145 25,750 28,840 30,100 31,003 35,432 36,050 37,625 43,000 44,290 51,500 60,200 62,006 72,100 75,250 88,580 90,125 103,000 110,725 124,012 144,200 150,500 155,015 177,160 180,250 221,450 248,024 301,000 310,030 360,500 442,900 553,625 620,060 721,000 775,075 885,800 1,107,250 1,240,120 1,550,150 2,214,500 3,100,300 3,875,375 4,429,000 6,200,600 7,750,750 15,501,500 and 31,003,000, with no remainder.

Since 31,003,000 cannot be divided by just 1 and 31,003,000, 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).