Q: Is 487,720 a Prime Number?

 A: No, 487,720 is not a prime number.

Why is 487,720 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 487720 can be evenly divided by 1 2 4 5 8 10 20 40 89 137 178 274 356 445 548 685 712 890 1,096 1,370 1,780 2,740 3,560 5,480 12,193 24,386 48,772 60,965 97,544 121,930 243,860 and 487,720, with no remainder.

Since 487,720 cannot be divided by just 1 and 487,720, it is not a prime number.


More Examples

Number 487,718487,719487,721487,722
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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