Q: Is 2,205,240 a Composite Number?

Why is 2,205,240 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 2,205,240 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 17 20 23 24 30 34 40 46 47 51 60 68 69 85 92 94 102 115 120 136 138 141 170 184 188 204 230 235 255 276 282 340 345 376 391 408 460 470 510 552 564 680 690 705 782 799 920 940 1,020 1,081 1,128 1,173 1,380 1,410 1,564 1,598 1,880 1,955 2,040 2,162 2,346 2,397 2,760 2,820 3,128 3,196 3,243 3,910 3,995 4,324 4,692 4,794 5,405 5,640 5,865 6,392 6,486 7,820 7,990 8,648 9,384 9,588 10,810 11,730 11,985 12,972 15,640 15,980 16,215 18,377 19,176 21,620 23,460 23,970 25,944 31,960 32,430 36,754 43,240 46,920 47,940 55,131 64,860 73,508 91,885 95,880 110,262 129,720 147,016 183,770 220,524 275,655 367,540 441,048 551,310 735,080 1,102,620 and 2,205,240, with no remainder.

Since 2,205,240 cannot be divided by just 1 and 2,205,240, 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).