Q: Is 861,900 a Composite Number?

Why is 861,900 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 861,900 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 17 20 25 26 30 34 39 50 51 52 60 65 68 75 78 85 100 102 130 150 156 169 170 195 204 221 255 260 300 325 338 340 390 425 442 507 510 650 663 676 780 845 850 884 975 1,014 1,020 1,105 1,275 1,300 1,326 1,690 1,700 1,950 2,028 2,210 2,535 2,550 2,652 2,873 3,315 3,380 3,900 4,225 4,420 5,070 5,100 5,525 5,746 6,630 8,450 8,619 10,140 11,050 11,492 12,675 13,260 14,365 16,575 16,900 17,238 22,100 25,350 28,730 33,150 34,476 43,095 50,700 57,460 66,300 71,825 86,190 143,650 172,380 215,475 287,300 430,950 and 861,900, with no remainder.

Since 861,900 cannot be divided by just 1 and 861,900, 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).