Q: Is 1,521,900 a Composite Number?

Why is 1,521,900 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 1,521,900 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 19 20 25 30 36 38 45 50 57 60 75 76 89 90 95 100 114 150 171 178 180 190 225 228 267 285 300 342 356 380 445 450 475 534 570 684 801 855 890 900 950 1,068 1,140 1,335 1,425 1,602 1,691 1,710 1,780 1,900 2,225 2,670 2,850 3,204 3,382 3,420 4,005 4,275 4,450 5,073 5,340 5,700 6,675 6,764 8,010 8,455 8,550 8,900 10,146 13,350 15,219 16,020 16,910 17,100 20,025 20,292 25,365 26,700 30,438 33,820 40,050 42,275 50,730 60,876 76,095 80,100 84,550 101,460 126,825 152,190 169,100 253,650 304,380 380,475 507,300 760,950 and 1,521,900, with no remainder.

Since 1,521,900 cannot be divided by just 1 and 1,521,900, 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).