Q: Is 216,225 a Prime Number?

 A: No, 216,225 is not a prime number.

Why is 216,225 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 216225 can be evenly divided by 1 3 5 9 15 25 31 45 75 93 155 225 279 465 775 961 1,395 2,325 2,883 4,805 6,975 8,649 14,415 24,025 43,245 72,075 and 216,225, with no remainder.

Since 216,225 cannot be divided by just 1 and 216,225, it is not a prime number.


More Examples

Number 216,223216,224216,226216,227
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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