Q: Is 1,170,780 a Composite Number?

Why is 1,170,780 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 1,170,780 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 19 20 26 30 38 39 52 57 60 65 76 78 79 95 114 130 156 158 190 195 228 237 247 260 285 316 380 390 395 474 494 570 741 780 790 948 988 1,027 1,140 1,185 1,235 1,482 1,501 1,580 2,054 2,370 2,470 2,964 3,002 3,081 3,705 4,108 4,503 4,740 4,940 5,135 6,004 6,162 7,410 7,505 9,006 10,270 12,324 14,820 15,010 15,405 18,012 19,513 20,540 22,515 30,020 30,810 39,026 45,030 58,539 61,620 78,052 90,060 97,565 117,078 195,130 234,156 292,695 390,260 585,390 and 1,170,780, with no remainder.

Since 1,170,780 cannot be divided by just 1 and 1,170,780, 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).