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Q: What is this number its square root is a prime number its between 100 and 300 the some of its digits is an odd number?

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There can't be a prime number that has a square root because the square root would be a factor of the number.

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A prime number with identical digits is 11.

16.

The number is 16.

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The prime number is 47 and 4+7 = 11

The number 11 is prime and has two identical digits.

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83

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3 is found between 2 and 4.

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solution: we know that there are 25 prime numbers are between 1-100 and 168 prime numbers less than 1000. 100 x 100=10000(5 digits) 999 x 999=998001(6 digits) 1000 x 1000=1000000(7 digits) so our answer should be same as the number of prime numbers between 100 to 999. hence, 168-25=143. 143 prime numbers will be there less than 1000 whose square has 5 or 6 digits.

A prime number can't be divided, then it's not a square

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The number is 23.

No, reversing the order of the digits of a two-digit prime number does not always result in a prime number.

The smallest prime number in which all of the digits are also prime is 2.The smallest multi-digit prime number in which all of the digits are also prime is 23.

It would probably refer to a digit that is a prime number, or a composite number. Note that mathematicians normally talk about prime and composite NUMBERS, not individual digits.

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2014 ( The sum of the digits = 7, a prime number )

73 is the largest two-digit number that is prime and has prime numbers for both of its digits.

53 is prime, and 5+3 = 8.

That is a very good question. The awnser is quite simple, its a number.