Q: Is 1,530,000 a Composite Number?

Why is 1,530,000 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 1,530,000 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 25 30 34 36 40 45 48 50 51 60 68 72 75 80 85 90 100 102 120 125 136 144 150 153 170 180 200 204 225 240 250 255 272 300 306 340 360 375 400 408 425 450 500 510 600 612 625 680 720 750 765 816 850 900 1,000 1,020 1,125 1,200 1,224 1,250 1,275 1,360 1,500 1,530 1,700 1,800 1,875 2,000 2,040 2,125 2,250 2,448 2,500 2,550 3,000 3,060 3,400 3,600 3,750 3,825 4,080 4,250 4,500 5,000 5,100 5,625 6,000 6,120 6,375 6,800 7,500 7,650 8,500 9,000 10,000 10,200 10,625 11,250 12,240 12,750 15,000 15,300 17,000 18,000 19,125 20,400 21,250 22,500 25,500 30,000 30,600 31,875 34,000 38,250 42,500 45,000 51,000 61,200 63,750 76,500 85,000 90,000 95,625 102,000 127,500 153,000 170,000 191,250 255,000 306,000 382,500 510,000 765,000 and 1,530,000, with no remainder.

Since 1,530,000 cannot be divided by just 1 and 1,530,000, 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).