the number 13 and 31are prime number .both these number have same digit 1 and 3.find such pairs of prime numbers upto 100.
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11 11
12 21
13 31
14 41
15 51
16 61
17 71
18 81 and do like this till100 u will have the answer
12 21
13 31
14 41
15 51
16 61
17 71
18 81 and do like this till100 u will have the answer
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