Q: Is 17,905,040 a Composite Number?

Why is 17,905,040 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 17,905,040 can be evenly divided by 1 2 4 5 8 10 16 20 23 37 40 46 74 80 92 115 148 184 185 230 263 296 368 370 460 526 592 740 851 920 1,052 1,315 1,480 1,702 1,840 2,104 2,630 2,960 3,404 4,208 4,255 5,260 6,049 6,808 8,510 9,731 10,520 12,098 13,616 17,020 19,462 21,040 24,196 30,245 34,040 38,924 48,392 48,655 60,490 68,080 77,848 96,784 97,310 120,980 155,696 194,620 223,813 241,960 389,240 447,626 483,920 778,480 895,252 1,119,065 1,790,504 2,238,130 3,581,008 4,476,260 8,952,520 and 17,905,040, with no remainder.

Since 17,905,040 cannot be divided by just 1 and 17,905,040, 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).