Q: Is 15,078,000 a Composite Number?

Why is 15,078,000 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 15,078,000 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 35 40 42 48 50 56 60 70 75 80 84 100 105 112 120 125 140 150 168 175 200 210 240 250 280 300 336 350 359 375 400 420 500 525 560 600 700 718 750 840 875 1,000 1,050 1,077 1,200 1,400 1,436 1,500 1,680 1,750 1,795 2,000 2,100 2,154 2,513 2,625 2,800 2,872 3,000 3,500 3,590 4,200 4,308 5,026 5,250 5,385 5,744 6,000 7,000 7,180 7,539 8,400 8,616 8,975 10,052 10,500 10,770 12,565 14,000 14,360 15,078 17,232 17,950 20,104 21,000 21,540 25,130 26,925 28,720 30,156 35,900 37,695 40,208 42,000 43,080 44,875 50,260 53,850 60,312 62,825 71,800 75,390 86,160 89,750 100,520 107,700 120,624 125,650 134,625 143,600 150,780 179,500 188,475 201,040 215,400 251,300 269,250 301,560 314,125 359,000 376,950 430,800 502,600 538,500 603,120 628,250 718,000 753,900 942,375 1,005,200 1,077,000 1,256,500 1,507,800 1,884,750 2,154,000 2,513,000 3,015,600 3,769,500 5,026,000 7,539,000 and 15,078,000, with no remainder.

Since 15,078,000 cannot be divided by just 1 and 15,078,000, 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).