Q: Is 1,540,770 a Composite Number?

Why is 1,540,770 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 1,540,770 can be evenly divided by 1 2 3 5 6 7 10 11 14 15 21 22 23 29 30 33 35 42 46 55 58 66 69 70 77 87 105 110 115 138 145 154 161 165 174 203 210 230 231 253 290 319 322 330 345 385 406 435 462 483 506 609 638 667 690 759 770 805 870 957 966 1,015 1,155 1,218 1,265 1,334 1,518 1,595 1,610 1,771 1,914 2,001 2,030 2,233 2,310 2,415 2,530 3,045 3,190 3,335 3,542 3,795 4,002 4,466 4,669 4,785 4,830 5,313 6,090 6,670 6,699 7,337 7,590 8,855 9,338 9,570 10,005 10,626 11,165 13,398 14,007 14,674 17,710 20,010 22,011 22,330 23,345 26,565 28,014 33,495 36,685 44,022 46,690 51,359 53,130 66,990 70,035 73,370 102,718 110,055 140,070 154,077 220,110 256,795 308,154 513,590 770,385 and 1,540,770, with no remainder.

Since 1,540,770 cannot be divided by just 1 and 1,540,770, 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).