Q: Is 990,225 a Prime Number?

 A: No, 990,225 is not a prime number.

Why is 990,225 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 990225 can be evenly divided by 1 3 5 9 15 25 27 45 75 81 135 163 225 243 405 489 675 815 1,215 1,467 2,025 2,445 4,075 4,401 6,075 7,335 12,225 13,203 22,005 36,675 39,609 66,015 110,025 198,045 330,075 and 990,225, with no remainder.

Since 990,225 cannot be divided by just 1 and 990,225, it is not a prime number.


More Examples

Number 990,223990,224990,226990,227
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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