Q: Is 2,118,760 a Composite Number?

Why is 2,118,760 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 2,118,760 can be evenly divided by 1 2 4 5 7 8 10 14 20 23 28 35 40 46 47 49 56 70 92 94 98 115 140 161 184 188 196 230 235 245 280 322 329 376 392 460 470 490 644 658 805 920 940 980 1,081 1,127 1,288 1,316 1,610 1,645 1,880 1,960 2,162 2,254 2,303 2,632 3,220 3,290 4,324 4,508 4,606 5,405 5,635 6,440 6,580 7,567 8,648 9,016 9,212 10,810 11,270 11,515 13,160 15,134 18,424 21,620 22,540 23,030 30,268 37,835 43,240 45,080 46,060 52,969 60,536 75,670 92,120 105,938 151,340 211,876 264,845 302,680 423,752 529,690 1,059,380 and 2,118,760, with no remainder.

Since 2,118,760 cannot be divided by just 1 and 2,118,760, 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).