Q: Is 12,155,500 a Composite Number?

Why is 12,155,500 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 12,155,500 can be evenly divided by 1 2 4 5 7 10 14 20 23 25 28 35 46 50 70 92 100 115 125 140 151 161 175 230 250 302 322 350 460 500 575 604 644 700 755 805 875 1,057 1,150 1,510 1,610 1,750 2,114 2,300 2,875 3,020 3,220 3,473 3,500 3,775 4,025 4,228 5,285 5,750 6,946 7,550 8,050 10,570 11,500 13,892 15,100 16,100 17,365 18,875 20,125 21,140 24,311 26,425 34,730 37,750 40,250 48,622 52,850 69,460 75,500 80,500 86,825 97,244 105,700 121,555 132,125 173,650 243,110 264,250 347,300 434,125 486,220 528,500 607,775 868,250 1,215,550 1,736,500 2,431,100 3,038,875 6,077,750 and 12,155,500, with no remainder.

Since 12,155,500 cannot be divided by just 1 and 12,155,500, 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).