Q: Is 821,700 a Composite Number?

Why is 821,700 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 821,700 can be evenly divided by 1 2 3 4 5 6 9 10 11 12 15 18 20 22 25 30 33 36 44 45 50 55 60 66 75 83 90 99 100 110 132 150 165 166 180 198 220 225 249 275 300 330 332 396 415 450 495 498 550 660 747 825 830 900 913 990 996 1,100 1,245 1,494 1,650 1,660 1,826 1,980 2,075 2,475 2,490 2,739 2,988 3,300 3,652 3,735 4,150 4,565 4,950 4,980 5,478 6,225 7,470 8,217 8,300 9,130 9,900 10,956 12,450 13,695 14,940 16,434 18,260 18,675 22,825 24,900 27,390 32,868 37,350 41,085 45,650 54,780 68,475 74,700 82,170 91,300 136,950 164,340 205,425 273,900 410,850 and 821,700, with no remainder.

Since 821,700 cannot be divided by just 1 and 821,700, 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).