Q: Is 2,101,840 a Composite Number?

Why is 2,101,840 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 2,101,840 can be evenly divided by 1 2 4 5 8 10 13 16 20 26 40 43 47 52 65 80 86 94 104 130 172 188 208 215 235 260 344 376 430 470 520 559 611 688 752 860 940 1,040 1,118 1,222 1,720 1,880 2,021 2,236 2,444 2,795 3,055 3,440 3,760 4,042 4,472 4,888 5,590 6,110 8,084 8,944 9,776 10,105 11,180 12,220 16,168 20,210 22,360 24,440 26,273 32,336 40,420 44,720 48,880 52,546 80,840 105,092 131,365 161,680 210,184 262,730 420,368 525,460 1,050,920 and 2,101,840, with no remainder.

Since 2,101,840 cannot be divided by just 1 and 2,101,840, 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).