Q: Is 1,943,340 a Composite Number?

Why is 1,943,340 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 1,943,340 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 661 735 980 1,322 1,470 1,983 2,644 2,940 3,305 3,966 4,627 6,610 7,932 9,254 9,915 13,220 13,881 18,508 19,830 23,135 27,762 32,389 39,660 46,270 55,524 64,778 69,405 92,540 97,167 129,556 138,810 161,945 194,334 277,620 323,890 388,668 485,835 647,780 971,670 and 1,943,340, with no remainder.

Since 1,943,340 cannot be divided by just 1 and 1,943,340, 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).