Q: Is 2,119,728 a Composite Number?

Why is 2,119,728 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 2,119,728 can be evenly divided by 1 2 3 4 6 8 12 13 16 24 26 39 43 48 52 78 79 86 104 129 156 158 172 208 237 258 312 316 344 474 516 559 624 632 688 948 1,027 1,032 1,118 1,264 1,677 1,896 2,054 2,064 2,236 3,081 3,354 3,397 3,792 4,108 4,472 6,162 6,708 6,794 8,216 8,944 10,191 12,324 13,416 13,588 16,432 20,382 24,648 26,832 27,176 40,764 44,161 49,296 54,352 81,528 88,322 132,483 163,056 176,644 264,966 353,288 529,932 706,576 1,059,864 and 2,119,728, with no remainder.

Since 2,119,728 cannot be divided by just 1 and 2,119,728, 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).