Q: Is 1,636,440 a Composite Number?

Why is 1,636,440 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 1,636,440 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1,049 1,560 2,098 3,147 4,196 5,245 6,294 8,392 10,490 12,588 13,637 15,735 20,980 25,176 27,274 31,470 40,911 41,960 54,548 62,940 68,185 81,822 109,096 125,880 136,370 163,644 204,555 272,740 327,288 409,110 545,480 818,220 and 1,636,440, with no remainder.

Since 1,636,440 cannot be divided by just 1 and 1,636,440, 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).