Q: Is 78,120 a Composite Number?

 A: Yes, 78,120 is a composite number.

Why is 78,120 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 78,120 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 31 35 36 40 42 45 56 60 62 63 70 72 84 90 93 105 120 124 126 140 155 168 180 186 210 217 248 252 279 280 310 315 360 372 420 434 465 504 558 620 630 651 744 840 868 930 1,085 1,116 1,240 1,260 1,302 1,395 1,736 1,860 1,953 2,170 2,232 2,520 2,604 2,790 3,255 3,720 3,906 4,340 5,208 5,580 6,510 7,812 8,680 9,765 11,160 13,020 15,624 19,530 26,040 39,060 and 78,120, with no remainder.

Since 78,120 cannot be divided by just 1 and 78,120, it is a composite number.


More Examples

Number 78,11878,11978,12178,122
Composite? yesyesnoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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