Q: Is 20,442,500 a Composite Number?

Why is 20,442,500 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 20,442,500 can be evenly divided by 1 2 4 5 10 13 17 20 25 26 34 37 50 52 65 68 74 85 100 125 130 148 170 185 221 250 260 325 340 370 425 442 481 500 625 629 650 740 850 884 925 962 1,105 1,250 1,258 1,300 1,625 1,700 1,850 1,924 2,125 2,210 2,405 2,500 2,516 3,145 3,250 3,700 4,250 4,420 4,625 4,810 5,525 6,290 6,500 8,125 8,177 8,500 9,250 9,620 10,625 11,050 12,025 12,580 15,725 16,250 16,354 18,500 21,250 22,100 23,125 24,050 27,625 31,450 32,500 32,708 40,885 42,500 46,250 48,100 55,250 60,125 62,900 78,625 81,770 92,500 110,500 120,250 138,125 157,250 163,540 204,425 240,500 276,250 300,625 314,500 393,125 408,850 552,500 601,250 786,250 817,700 1,022,125 1,202,500 1,572,500 2,044,250 4,088,500 5,110,625 10,221,250 and 20,442,500, with no remainder.

Since 20,442,500 cannot be divided by just 1 and 20,442,500, 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).