Q: Is 30,800,000 a Composite Number?

Why is 30,800,000 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 30,800,000 can be evenly divided by 1 2 4 5 7 8 10 11 14 16 20 22 25 28 32 35 40 44 50 55 56 64 70 77 80 88 100 110 112 125 128 140 154 160 175 176 200 220 224 250 275 280 308 320 350 352 385 400 440 448 500 550 560 616 625 640 700 704 770 800 875 880 896 1,000 1,100 1,120 1,232 1,250 1,375 1,400 1,408 1,540 1,600 1,750 1,760 1,925 2,000 2,200 2,240 2,464 2,500 2,750 2,800 3,080 3,125 3,200 3,500 3,520 3,850 4,000 4,375 4,400 4,480 4,928 5,000 5,500 5,600 6,160 6,250 6,875 7,000 7,040 7,700 8,000 8,750 8,800 9,625 9,856 10,000 11,000 11,200 12,320 12,500 13,750 14,000 15,400 16,000 17,500 17,600 19,250 20,000 21,875 22,000 22,400 24,640 25,000 27,500 28,000 30,800 34,375 35,000 35,200 38,500 40,000 43,750 44,000 48,125 49,280 50,000 55,000 56,000 61,600 68,750 70,000 77,000 80,000 87,500 88,000 96,250 100,000 110,000 112,000 123,200 137,500 140,000 154,000 175,000 176,000 192,500 200,000 220,000 240,625 246,400 275,000 280,000 308,000 350,000 385,000 400,000 440,000 481,250 550,000 560,000 616,000 700,000 770,000 880,000 962,500 1,100,000 1,232,000 1,400,000 1,540,000 1,925,000 2,200,000 2,800,000 3,080,000 3,850,000 4,400,000 6,160,000 7,700,000 15,400,000 and 30,800,000, with no remainder.

Since 30,800,000 cannot be divided by just 1 and 30,800,000, 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).