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There is a number between 30 and 60. It is a prime number. The digit in the ones place is three more than the digit in the tens place. What is the number?

 May 9, 2022
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The digit in the ones place is three more than the digit in the tens place.

Judging only by this, the number could be 14, 25, 36, 47, 58, 69. There is only one prime number in this list.

 May 9, 2022

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