Q: Is 30,471,040 a Composite Number?

Why is 30,471,040 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 30,471,040 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 47 64 80 94 128 160 188 235 320 376 470 640 752 940 1,013 1,504 1,880 2,026 3,008 3,760 4,052 5,065 6,016 7,520 8,104 10,130 15,040 16,208 20,260 30,080 32,416 40,520 47,611 64,832 81,040 95,222 129,664 162,080 190,444 238,055 324,160 380,888 476,110 648,320 761,776 952,220 1,523,552 1,904,440 3,047,104 3,808,880 6,094,208 7,617,760 15,235,520 and 30,471,040, with no remainder.

Since 30,471,040 cannot be divided by just 1 and 30,471,040, 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).