The numbers 13 and 31 are prime numbers. Both these numbers have same digits 1 and 3. Find such pairs of prime numbers upto 100.
Answer:
17 and 71 are prime numbers and they both use 1 and 7 as digits.
Similarly, 37 and 73 are prime numbers and they both use 3 and 7 as digits.
And, 79 and 97 are prime numbers and they both use 7 and 9 as digits.
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