Q: Is 405,463,040 a Composite Number?

Why is 405,463,040 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 405,463,040 can be evenly divided by 1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 128 152 160 190 256 304 320 380 512 521 608 640 760 1,024 1,042 1,216 1,280 1,520 2,048 2,084 2,432 2,560 2,605 3,040 4,096 4,168 4,864 5,120 5,210 6,080 8,192 8,336 9,728 9,899 10,240 10,420 12,160 16,672 19,456 19,798 20,480 20,840 24,320 33,344 38,912 39,596 40,960 41,680 48,640 49,495 66,688 77,824 79,192 83,360 97,280 98,990 133,376 155,648 158,384 166,720 194,560 197,980 266,752 316,768 333,440 389,120 395,960 533,504 633,536 666,880 778,240 791,920 1,067,008 1,267,072 1,333,760 1,583,840 2,134,016 2,534,144 2,667,520 3,167,680 4,268,032 5,068,288 5,335,040 6,335,360 10,136,576 10,670,080 12,670,720 20,273,152 21,340,160 25,341,440 40,546,304 50,682,880 81,092,608 101,365,760 202,731,520 and 405,463,040, with no remainder.

Since 405,463,040 cannot be divided by just 1 and 405,463,040, 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).