Q: Is 355,005 a Prime Number?

 A: No, 355,005 is not a prime number.

Why is 355,005 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 355005 can be evenly divided by 1 3 5 7 9 15 21 23 35 45 49 63 69 105 115 147 161 207 245 315 343 345 441 483 735 805 1,029 1,035 1,127 1,449 1,715 2,205 2,415 3,087 3,381 5,145 5,635 7,245 7,889 10,143 15,435 16,905 23,667 39,445 50,715 71,001 118,335 and 355,005, with no remainder.

Since 355,005 cannot be divided by just 1 and 355,005, it is not a prime number.


More Examples

Number 355,003355,004355,006355,007
Prime? nononoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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