Question

By what number should 223 be divided to make it a perfect square

Answer 1

How do we know that 223 is a prime number? If 223 were not a prime number, then it would be divisible by at least one prime number less than or equal to √223 ≈ 14.933. Since 223 cannot be divided evenly by 2, 3, 5, 7, 11, or 13, we know that 223 is a prime number.

Answer 2

Answer:

223

Step-by-step explanation:

we can see that,

13*13 = 169

14*14 = 196

15*15 = 225

we know that 223 is a prime number so therefore the factors of 223 are ,

1 and 223

therefore 223 must be divided to make it a perfect square ,

but you may arrive with a question ,

but 196 is a perfect square

but we cannot divide any number to make 223 to 196 or lesser than that,

so therefore the required number is

223

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