Q: Is 680,400 a Composite Number?

Why is 680,400 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 680,400 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 27 28 30 35 36 40 42 45 48 50 54 56 60 63 70 72 75 80 81 84 90 100 105 108 112 120 126 135 140 144 150 162 168 175 180 189 200 210 216 225 240 243 252 270 280 300 315 324 336 350 360 378 400 405 420 432 450 486 504 525 540 560 567 600 630 648 675 700 720 756 810 840 900 945 972 1,008 1,050 1,080 1,134 1,200 1,215 1,260 1,296 1,350 1,400 1,512 1,575 1,620 1,680 1,701 1,800 1,890 1,944 2,025 2,100 2,160 2,268 2,430 2,520 2,700 2,800 2,835 3,024 3,150 3,240 3,402 3,600 3,780 3,888 4,050 4,200 4,536 4,725 4,860 5,040 5,400 5,670 6,075 6,300 6,480 6,804 7,560 8,100 8,400 8,505 9,072 9,450 9,720 10,800 11,340 12,150 12,600 13,608 14,175 15,120 16,200 17,010 18,900 19,440 22,680 24,300 25,200 27,216 28,350 32,400 34,020 37,800 42,525 45,360 48,600 56,700 68,040 75,600 85,050 97,200 113,400 136,080 170,100 226,800 340,200 and 680,400, with no remainder.

Since 680,400 cannot be divided by just 1 and 680,400, 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).