Q: Is 1,242,150 a Composite Number?

Why is 1,242,150 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 1,242,150 can be evenly divided by 1 2 3 5 6 7 10 13 14 15 21 25 26 30 35 39 42 49 50 65 70 75 78 91 98 105 130 147 150 169 175 182 195 210 245 273 294 325 338 350 390 455 490 507 525 546 637 650 735 845 910 975 1,014 1,050 1,183 1,225 1,274 1,365 1,470 1,690 1,911 1,950 2,275 2,366 2,450 2,535 2,730 3,185 3,549 3,675 3,822 4,225 4,550 5,070 5,915 6,370 6,825 7,098 7,350 8,281 8,450 9,555 11,830 12,675 13,650 15,925 16,562 17,745 19,110 24,843 25,350 29,575 31,850 35,490 41,405 47,775 49,686 59,150 82,810 88,725 95,550 124,215 177,450 207,025 248,430 414,050 621,075 and 1,242,150, with no remainder.

Since 1,242,150 cannot be divided by just 1 and 1,242,150, 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).