Question

13 and 32 bothare prime numbers In both numbers 1 and 3 are common. now make four pairs of such prime number from 1 to 100​

Answer 1

Answer:

Ques- 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.

Ans- hence, there are 4 pairs of such type.

Answer 2

pairs

13 , 31

17 , 71

37 , 73

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