Q: Is 31,305,760 a Composite Number?

Why is 31,305,760 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 31,305,760 can be evenly divided by 1 2 4 5 8 10 16 20 23 32 40 46 47 80 92 94 115 160 181 184 188 230 235 362 368 376 460 470 724 736 752 905 920 940 1,081 1,448 1,504 1,810 1,840 1,880 2,162 2,896 3,620 3,680 3,760 4,163 4,324 5,405 5,792 7,240 7,520 8,326 8,507 8,648 10,810 14,480 16,652 17,014 17,296 20,815 21,620 28,960 33,304 34,028 34,592 41,630 42,535 43,240 66,608 68,056 83,260 85,070 86,480 133,216 136,112 166,520 170,140 172,960 195,661 272,224 333,040 340,280 391,322 666,080 680,560 782,644 978,305 1,361,120 1,565,288 1,956,610 3,130,576 3,913,220 6,261,152 7,826,440 15,652,880 and 31,305,760, with no remainder.

Since 31,305,760 cannot be divided by just 1 and 31,305,760, 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).