Q: Is 1,421,910 a Composite Number?

Why is 1,421,910 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 1,421,910 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 30 35 37 42 45 61 63 70 74 90 105 111 122 126 183 185 210 222 259 305 315 333 366 370 427 518 549 555 610 630 666 777 854 915 1,098 1,110 1,281 1,295 1,554 1,665 1,830 2,135 2,257 2,331 2,562 2,590 2,745 3,330 3,843 3,885 4,270 4,514 4,662 5,490 6,405 6,771 7,686 7,770 11,285 11,655 12,810 13,542 15,799 19,215 20,313 22,570 23,310 31,598 33,855 38,430 40,626 47,397 67,710 78,995 94,794 101,565 142,191 157,990 203,130 236,985 284,382 473,970 710,955 and 1,421,910, with no remainder.

Since 1,421,910 cannot be divided by just 1 and 1,421,910, 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).