Q: Is 40,124,420 a Composite Number?

Why is 40,124,420 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 40,124,420 can be evenly divided by 1 2 4 5 7 10 14 17 20 23 28 34 35 46 68 70 85 92 115 119 140 161 170 230 238 322 340 391 460 476 595 644 733 782 805 1,190 1,466 1,564 1,610 1,955 2,380 2,737 2,932 3,220 3,665 3,910 5,131 5,474 7,330 7,820 10,262 10,948 12,461 13,685 14,660 16,859 20,524 24,922 25,655 27,370 33,718 49,844 51,310 54,740 62,305 67,436 84,295 87,227 102,620 118,013 124,610 168,590 174,454 236,026 249,220 286,603 337,180 348,908 436,135 472,052 573,206 590,065 872,270 1,146,412 1,180,130 1,433,015 1,744,540 2,006,221 2,360,260 2,866,030 4,012,442 5,732,060 8,024,884 10,031,105 20,062,210 and 40,124,420, with no remainder.

Since 40,124,420 cannot be divided by just 1 and 40,124,420, 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).