Q: Is 3,151,000 a Composite Number?

Why is 3,151,000 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 3,151,000 can be evenly divided by 1 2 4 5 8 10 20 23 25 40 46 50 92 100 115 125 137 184 200 230 250 274 460 500 548 575 685 920 1,000 1,096 1,150 1,370 2,300 2,740 2,875 3,151 3,425 4,600 5,480 5,750 6,302 6,850 11,500 12,604 13,700 15,755 17,125 23,000 25,208 27,400 31,510 34,250 63,020 68,500 78,775 126,040 137,000 157,550 315,100 393,875 630,200 787,750 1,575,500 and 3,151,000, with no remainder.

Since 3,151,000 cannot be divided by just 1 and 3,151,000, 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).