Q: Is 2,146,440 a Composite Number?

Why is 2,146,440 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 2,146,440 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 372 465 577 620 744 930 1,154 1,240 1,731 1,860 2,308 2,885 3,462 3,720 4,616 5,770 6,924 8,655 11,540 13,848 17,310 17,887 23,080 34,620 35,774 53,661 69,240 71,548 89,435 107,322 143,096 178,870 214,644 268,305 357,740 429,288 536,610 715,480 1,073,220 and 2,146,440, with no remainder.

Since 2,146,440 cannot be divided by just 1 and 2,146,440, 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).