Q: Is 505,440 a Composite Number?

Why is 505,440 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 505,440 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 65 72 78 80 81 90 96 104 108 117 120 130 135 144 156 160 162 180 195 208 216 234 240 243 260 270 288 312 324 351 360 390 405 416 432 468 480 486 520 540 585 624 648 702 720 780 810 864 936 972 1,040 1,053 1,080 1,170 1,215 1,248 1,296 1,404 1,440 1,560 1,620 1,755 1,872 1,944 2,080 2,106 2,160 2,340 2,430 2,592 2,808 3,120 3,159 3,240 3,510 3,744 3,888 4,212 4,320 4,680 4,860 5,265 5,616 6,240 6,318 6,480 7,020 7,776 8,424 9,360 9,720 10,530 11,232 12,636 12,960 14,040 15,795 16,848 18,720 19,440 21,060 25,272 28,080 31,590 33,696 38,880 42,120 50,544 56,160 63,180 84,240 101,088 126,360 168,480 252,720 and 505,440, with no remainder.

Since 505,440 cannot be divided by just 1 and 505,440, 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).