Q: Is 2,421,210 a Composite Number?

Why is 2,421,210 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 2,421,210 can be evenly divided by 1 2 3 5 6 10 11 15 22 23 29 30 33 46 55 58 66 69 87 110 115 121 138 145 165 174 230 242 253 290 319 330 345 363 435 506 605 638 667 690 726 759 870 957 1,210 1,265 1,334 1,518 1,595 1,815 1,914 2,001 2,530 2,783 3,190 3,335 3,509 3,630 3,795 4,002 4,785 5,566 6,670 7,018 7,337 7,590 8,349 9,570 10,005 10,527 13,915 14,674 16,698 17,545 20,010 21,054 22,011 27,830 35,090 36,685 41,745 44,022 52,635 73,370 80,707 83,490 105,270 110,055 161,414 220,110 242,121 403,535 484,242 807,070 1,210,605 and 2,421,210, with no remainder.

Since 2,421,210 cannot be divided by just 1 and 2,421,210, 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).