Question

13 and 31 both are prime number. In both number, 1 and 3 are common. Now, make four pair of such prime number from 1 to 100​

Answer 1

Answer:

prime numbers up to 100 having same digits are:

(i) 13,31 (ii) 17,71 (iii) 37, 73 (vi) 79,97

hence, there are 4 pairs

Answer 2

Answer:

17,71 ,13,31 , 79,97 ,37,73

Step-by-step explanation:

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