Q: Is 2,777,970 a Composite Number?

Why is 2,777,970 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 2,777,970 can be evenly divided by 1 2 3 5 6 10 13 15 17 26 30 34 39 51 65 78 85 102 130 170 195 221 255 390 419 442 510 663 838 1,105 1,257 1,326 2,095 2,210 2,514 3,315 4,190 5,447 6,285 6,630 7,123 10,894 12,570 14,246 16,341 21,369 27,235 32,682 35,615 42,738 54,470 71,230 81,705 92,599 106,845 163,410 185,198 213,690 277,797 462,995 555,594 925,990 1,388,985 and 2,777,970, with no remainder.

Since 2,777,970 cannot be divided by just 1 and 2,777,970, 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).