Q: Is 3,178,700 a Composite Number?

Why is 3,178,700 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 3,178,700 can be evenly divided by 1 2 4 5 7 10 14 19 20 25 28 35 38 50 70 76 95 100 133 140 175 190 239 266 350 380 475 478 532 665 700 950 956 1,195 1,330 1,673 1,900 2,390 2,660 3,325 3,346 4,541 4,780 5,975 6,650 6,692 8,365 9,082 11,950 13,300 16,730 18,164 22,705 23,900 31,787 33,460 41,825 45,410 63,574 83,650 90,820 113,525 127,148 158,935 167,300 227,050 317,870 454,100 635,740 794,675 1,589,350 and 3,178,700, with no remainder.

Since 3,178,700 cannot be divided by just 1 and 3,178,700, 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).