Q: Is 7,770,000 a Composite Number?

Why is 7,770,000 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 7,770,000 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 37 40 42 48 50 56 60 70 74 75 80 84 100 105 111 112 120 125 140 148 150 168 175 185 200 210 222 240 250 259 280 296 300 336 350 370 375 400 420 444 500 518 525 555 560 592 600 625 700 740 750 777 840 875 888 925 1,000 1,036 1,050 1,110 1,200 1,250 1,295 1,400 1,480 1,500 1,554 1,680 1,750 1,776 1,850 1,875 2,000 2,072 2,100 2,220 2,500 2,590 2,625 2,775 2,800 2,960 3,000 3,108 3,500 3,700 3,750 3,885 4,144 4,200 4,375 4,440 4,625 5,000 5,180 5,250 5,550 6,000 6,216 6,475 7,000 7,400 7,500 7,770 8,400 8,750 8,880 9,250 10,000 10,360 10,500 11,100 12,432 12,950 13,125 13,875 14,000 14,800 15,000 15,540 17,500 18,500 19,425 20,720 21,000 22,200 23,125 25,900 26,250 27,750 30,000 31,080 32,375 35,000 37,000 38,850 42,000 44,400 46,250 51,800 52,500 55,500 62,160 64,750 69,375 70,000 74,000 77,700 92,500 97,125 103,600 105,000 111,000 129,500 138,750 155,400 161,875 185,000 194,250 210,000 222,000 259,000 277,500 310,800 323,750 370,000 388,500 485,625 518,000 555,000 647,500 777,000 971,250 1,110,000 1,295,000 1,554,000 1,942,500 2,590,000 3,885,000 and 7,770,000, with no remainder.

Since 7,770,000 cannot be divided by just 1 and 7,770,000, 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).