Q: Is 21,292,960 a Composite Number?

Why is 21,292,960 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 21,292,960 can be evenly divided by 1 2 4 5 8 10 13 16 20 26 29 32 40 52 58 65 80 104 116 130 145 160 208 232 260 290 353 377 416 464 520 580 706 754 928 1,040 1,160 1,412 1,508 1,765 1,885 2,080 2,320 2,824 3,016 3,530 3,770 4,589 4,640 5,648 6,032 7,060 7,540 9,178 10,237 11,296 12,064 14,120 15,080 18,356 20,474 22,945 28,240 30,160 36,712 40,948 45,890 51,185 56,480 60,320 73,424 81,896 91,780 102,370 133,081 146,848 163,792 183,560 204,740 266,162 327,584 367,120 409,480 532,324 665,405 734,240 818,960 1,064,648 1,330,810 1,637,920 2,129,296 2,661,620 4,258,592 5,323,240 10,646,480 and 21,292,960, with no remainder.

Since 21,292,960 cannot be divided by just 1 and 21,292,960, 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).