Q: Is 3,151,120 a Composite Number?

Why is 3,151,120 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 3,151,120 can be evenly divided by 1 2 4 5 7 8 10 14 16 17 20 28 34 35 40 56 68 70 80 85 112 119 136 140 170 238 272 280 331 340 476 560 595 662 680 952 1,190 1,324 1,360 1,655 1,904 2,317 2,380 2,648 3,310 4,634 4,760 5,296 5,627 6,620 9,268 9,520 11,254 11,585 13,240 18,536 22,508 23,170 26,480 28,135 37,072 39,389 45,016 46,340 56,270 78,778 90,032 92,680 112,540 157,556 185,360 196,945 225,080 315,112 393,890 450,160 630,224 787,780 1,575,560 and 3,151,120, with no remainder.

Since 3,151,120 cannot be divided by just 1 and 3,151,120, 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).