Q: Is 872,340 a Composite Number?

Why is 872,340 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 872,340 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 31 35 42 60 62 67 70 84 93 105 124 134 140 155 186 201 210 217 268 310 335 372 402 420 434 465 469 620 651 670 804 868 930 938 1,005 1,085 1,302 1,340 1,407 1,860 1,876 2,010 2,077 2,170 2,345 2,604 2,814 3,255 4,020 4,154 4,340 4,690 5,628 6,231 6,510 7,035 8,308 9,380 10,385 12,462 13,020 14,070 14,539 20,770 24,924 28,140 29,078 31,155 41,540 43,617 58,156 62,310 72,695 87,234 124,620 145,390 174,468 218,085 290,780 436,170 and 872,340, with no remainder.

Since 872,340 cannot be divided by just 1 and 872,340, 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).