Q: Is 1,158,780 a Composite Number?

Why is 1,158,780 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 1,158,780 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 70 84 89 93 105 124 140 155 178 186 210 217 267 310 356 372 420 434 445 465 534 620 623 651 868 890 930 1,068 1,085 1,246 1,302 1,335 1,780 1,860 1,869 2,170 2,492 2,604 2,670 2,759 3,115 3,255 3,738 4,340 5,340 5,518 6,230 6,510 7,476 8,277 9,345 11,036 12,460 13,020 13,795 16,554 18,690 19,313 27,590 33,108 37,380 38,626 41,385 55,180 57,939 77,252 82,770 96,565 115,878 165,540 193,130 231,756 289,695 386,260 579,390 and 1,158,780, with no remainder.

Since 1,158,780 cannot be divided by just 1 and 1,158,780, 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).