Q: Is 81,120 a Composite Number?

 A: Yes, 81,120 is a composite number.

Why is 81,120 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 81,120 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 65 78 80 96 104 120 130 156 160 169 195 208 240 260 312 338 390 416 480 507 520 624 676 780 845 1,014 1,040 1,248 1,352 1,560 1,690 2,028 2,080 2,535 2,704 3,120 3,380 4,056 5,070 5,408 6,240 6,760 8,112 10,140 13,520 16,224 20,280 27,040 40,560 and 81,120, with no remainder.

Since 81,120 cannot be divided by just 1 and 81,120, it is a composite number.


More Examples

Number 81,11881,11981,12181,122
Composite? yesnoyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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