Q: Is 13,451,620 a Composite Number?

Why is 13,451,620 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 13,451,620 can be evenly divided by 1 2 4 5 7 10 13 14 19 20 26 28 35 38 52 65 70 76 91 95 130 133 140 182 190 247 260 266 364 380 389 455 494 532 665 778 910 988 1,235 1,330 1,556 1,729 1,820 1,945 2,470 2,660 2,723 3,458 3,890 4,940 5,057 5,446 6,916 7,391 7,780 8,645 10,114 10,892 13,615 14,782 17,290 20,228 25,285 27,230 29,564 34,580 35,399 36,955 50,570 51,737 54,460 70,798 73,910 96,083 101,140 103,474 141,596 147,820 176,995 192,166 206,948 258,685 353,990 384,332 480,415 517,370 672,581 707,980 960,830 1,034,740 1,345,162 1,921,660 2,690,324 3,362,905 6,725,810 and 13,451,620, with no remainder.

Since 13,451,620 cannot be divided by just 1 and 13,451,620, 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).