Q: Is 420,875 a Prime Number?

 A: No, 420,875 is not a prime number.

Why is 420,875 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 420875 can be evenly divided by 1 5 7 13 25 35 37 65 91 125 175 185 259 325 455 481 875 925 1,295 1,625 2,275 2,405 3,367 4,625 6,475 11,375 12,025 16,835 32,375 60,125 84,175 and 420,875, with no remainder.

Since 420,875 cannot be divided by just 1 and 420,875, it is not a prime number.


More Examples

Number 420,873420,874420,876420,877
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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