Q: Is 3,157,740 a Composite Number?

Why is 3,157,740 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 3,157,740 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 53 60 90 106 159 180 212 265 318 331 477 530 636 662 795 954 993 1,060 1,324 1,590 1,655 1,908 1,986 2,385 2,979 3,180 3,310 3,972 4,770 4,965 5,958 6,620 9,540 9,930 11,916 14,895 17,543 19,860 29,790 35,086 52,629 59,580 70,172 87,715 105,258 157,887 175,430 210,516 263,145 315,774 350,860 526,290 631,548 789,435 1,052,580 1,578,870 and 3,157,740, with no remainder.

Since 3,157,740 cannot be divided by just 1 and 3,157,740, 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).