Q: Is 17,711,820 a Composite Number?

Why is 17,711,820 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 17,711,820 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1,260 14,057 28,114 42,171 56,228 70,285 84,342 98,399 126,513 140,570 168,684 196,798 210,855 253,026 281,140 295,197 393,596 421,710 491,995 506,052 590,394 632,565 843,420 885,591 983,990 1,180,788 1,265,130 1,475,985 1,771,182 1,967,980 2,530,260 2,951,970 3,542,364 4,427,955 5,903,940 8,855,910 and 17,711,820, with no remainder.

Since 17,711,820 cannot be divided by just 1 and 17,711,820, 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).