Q: Is 1,665,000 a Composite Number?

Why is 1,665,000 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 1,665,000 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 37 40 45 50 60 72 74 75 90 100 111 120 125 148 150 180 185 200 222 225 250 296 300 333 360 370 375 444 450 500 555 600 625 666 740 750 888 900 925 1,000 1,110 1,125 1,250 1,332 1,480 1,500 1,665 1,800 1,850 1,875 2,220 2,250 2,500 2,664 2,775 3,000 3,330 3,700 3,750 4,440 4,500 4,625 5,000 5,550 5,625 6,660 7,400 7,500 8,325 9,000 9,250 11,100 11,250 13,320 13,875 15,000 16,650 18,500 22,200 22,500 23,125 27,750 33,300 37,000 41,625 45,000 46,250 55,500 66,600 69,375 83,250 92,500 111,000 138,750 166,500 185,000 208,125 277,500 333,000 416,250 555,000 832,500 and 1,665,000, with no remainder.

Since 1,665,000 cannot be divided by just 1 and 1,665,000, 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).