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प्रश्न
The numbers 13 and 31 are prime numbers. Both these numbers have the same digits 1 and 3. Find such pairs of prime numbers up to 100.
संख्यात्मक
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उत्तर
17 and 71,
19 and 91,
37 and 73
79 and 97
There are required pairs of numbers up to 100.
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