Q: Is 2,405,520 a Composite Number?

Why is 2,405,520 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 2,405,520 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 45 48 52 60 65 72 78 80 90 104 117 120 130 144 156 180 195 208 234 240 257 260 312 360 390 468 514 520 585 624 720 771 780 936 1,028 1,040 1,170 1,285 1,542 1,560 1,872 2,056 2,313 2,340 2,570 3,084 3,120 3,341 3,855 4,112 4,626 4,680 5,140 6,168 6,682 7,710 9,252 9,360 10,023 10,280 11,565 12,336 13,364 15,420 16,705 18,504 20,046 20,560 23,130 26,728 30,069 30,840 33,410 37,008 40,092 46,260 50,115 53,456 60,138 61,680 66,820 80,184 92,520 100,230 120,276 133,640 150,345 160,368 185,040 200,460 240,552 267,280 300,690 400,920 481,104 601,380 801,840 1,202,760 and 2,405,520, with no remainder.

Since 2,405,520 cannot be divided by just 1 and 2,405,520, 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).