Q: Is 1,978,470 a Composite Number?

Why is 1,978,470 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 1,978,470 can be evenly divided by 1 2 3 5 6 9 10 13 15 18 19 26 30 38 39 45 57 65 78 89 90 95 114 117 130 171 178 190 195 234 247 267 285 342 390 445 494 534 570 585 741 801 855 890 1,157 1,170 1,235 1,335 1,482 1,602 1,691 1,710 2,223 2,314 2,470 2,670 3,382 3,471 3,705 4,005 4,446 5,073 5,785 6,942 7,410 8,010 8,455 10,146 10,413 11,115 11,570 15,219 16,910 17,355 20,826 21,983 22,230 25,365 30,438 34,710 43,966 50,730 52,065 65,949 76,095 104,130 109,915 131,898 152,190 197,847 219,830 329,745 395,694 659,490 989,235 and 1,978,470, with no remainder.

Since 1,978,470 cannot be divided by just 1 and 1,978,470, 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).