Q: Is 7,891,380 a Composite Number?

Why is 7,891,380 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 7,891,380 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1,260 6,263 12,526 18,789 25,052 31,315 37,578 43,841 56,367 62,630 75,156 87,682 93,945 112,734 125,260 131,523 175,364 187,890 219,205 225,468 263,046 281,835 375,780 394,569 438,410 526,092 563,670 657,615 789,138 876,820 1,127,340 1,315,230 1,578,276 1,972,845 2,630,460 3,945,690 and 7,891,380, with no remainder.

Since 7,891,380 cannot be divided by just 1 and 7,891,380, 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).