Q: Is 121,830 a Prime Number?

 A: No, 121,830 is not a prime number.

Why is 121,830 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 121830 can be evenly divided by 1 2 3 5 6 10 15 30 31 62 93 131 155 186 262 310 393 465 655 786 930 1,310 1,965 3,930 4,061 8,122 12,183 20,305 24,366 40,610 60,915 and 121,830, with no remainder.

Since 121,830 cannot be divided by just 1 and 121,830, it is not a prime number.


More Examples

Number 121,828121,829121,831121,832
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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