Q: Is 145,180 a Composite Number?

 A: Yes, 145,180 is a composite number.

Why is 145,180 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 145,180 can be evenly divided by 1 2 4 5 7 10 14 17 20 28 34 35 61 68 70 85 119 122 140 170 238 244 305 340 427 476 595 610 854 1,037 1,190 1,220 1,708 2,074 2,135 2,380 4,148 4,270 5,185 7,259 8,540 10,370 14,518 20,740 29,036 36,295 72,590 and 145,180, with no remainder.

Since 145,180 cannot be divided by just 1 and 145,180, it is a composite number.


More Examples

Number 145,178145,179145,181145,182
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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