Q: Is 20,925,000 a Composite Number?

Why is 20,925,000 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 20,925,000 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 31 36 40 45 50 54 60 62 72 75 90 93 100 108 120 124 125 135 150 155 180 186 200 216 225 248 250 270 279 300 310 360 372 375 450 465 500 540 558 600 620 625 675 744 750 775 837 900 930 1,000 1,080 1,116 1,125 1,240 1,250 1,350 1,395 1,500 1,550 1,674 1,800 1,860 1,875 2,232 2,250 2,325 2,500 2,700 2,790 3,000 3,100 3,125 3,348 3,375 3,720 3,750 3,875 4,185 4,500 4,650 5,000 5,400 5,580 5,625 6,200 6,250 6,696 6,750 6,975 7,500 7,750 8,370 9,000 9,300 9,375 11,160 11,250 11,625 12,500 13,500 13,950 15,000 15,500 16,740 16,875 18,600 18,750 19,375 20,925 22,500 23,250 25,000 27,000 27,900 28,125 31,000 33,480 33,750 34,875 37,500 38,750 41,850 45,000 46,500 55,800 56,250 58,125 67,500 69,750 75,000 77,500 83,700 84,375 93,000 96,875 104,625 112,500 116,250 135,000 139,500 155,000 167,400 168,750 174,375 193,750 209,250 225,000 232,500 279,000 290,625 337,500 348,750 387,500 418,500 465,000 523,125 581,250 675,000 697,500 775,000 837,000 871,875 1,046,250 1,162,500 1,395,000 1,743,750 2,092,500 2,325,000 2,615,625 3,487,500 4,185,000 5,231,250 6,975,000 10,462,500 and 20,925,000, with no remainder.

Since 20,925,000 cannot be divided by just 1 and 20,925,000, 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).