Q: Is 815,100 a Composite Number?

Why is 815,100 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 815,100 can be evenly divided by 1 2 3 4 5 6 10 11 12 13 15 19 20 22 25 26 30 33 38 39 44 50 52 55 57 60 65 66 75 76 78 95 100 110 114 130 132 143 150 156 165 190 195 209 220 228 247 260 275 285 286 300 325 330 380 390 418 429 475 494 550 570 572 627 650 660 715 741 780 825 836 858 950 975 988 1,045 1,100 1,140 1,235 1,254 1,300 1,425 1,430 1,482 1,650 1,716 1,900 1,950 2,090 2,145 2,470 2,508 2,717 2,850 2,860 2,964 3,135 3,300 3,575 3,705 3,900 4,180 4,290 4,940 5,225 5,434 5,700 6,175 6,270 7,150 7,410 8,151 8,580 10,450 10,725 10,868 12,350 12,540 13,585 14,300 14,820 15,675 16,302 18,525 20,900 21,450 24,700 27,170 31,350 32,604 37,050 40,755 42,900 54,340 62,700 67,925 74,100 81,510 135,850 163,020 203,775 271,700 407,550 and 815,100, with no remainder.

Since 815,100 cannot be divided by just 1 and 815,100, 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).