Q: Is 1,780,800 a Composite Number?

Why is 1,780,800 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 1,780,800 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 32 35 40 42 48 50 53 56 60 64 70 75 80 84 96 100 105 106 112 120 140 150 159 160 168 175 192 200 210 212 224 240 265 280 300 318 320 336 350 371 400 420 424 448 480 525 530 560 600 636 672 700 742 795 800 840 848 960 1,050 1,060 1,113 1,120 1,200 1,272 1,325 1,344 1,400 1,484 1,590 1,600 1,680 1,696 1,855 2,100 2,120 2,226 2,240 2,400 2,544 2,650 2,800 2,968 3,180 3,360 3,392 3,710 3,975 4,200 4,240 4,452 4,800 5,088 5,300 5,565 5,600 5,936 6,360 6,720 7,420 7,950 8,400 8,480 8,904 9,275 10,176 10,600 11,130 11,200 11,872 12,720 14,840 15,900 16,800 16,960 17,808 18,550 21,200 22,260 23,744 25,440 27,825 29,680 31,800 33,600 35,616 37,100 42,400 44,520 50,880 55,650 59,360 63,600 71,232 74,200 84,800 89,040 111,300 118,720 127,200 148,400 178,080 222,600 254,400 296,800 356,160 445,200 593,600 890,400 and 1,780,800, with no remainder.

Since 1,780,800 cannot be divided by just 1 and 1,780,800, 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).