Lemma
MediumDivisibility
AQuA-RAT train #51264 · Number Theory · Divisibility

How many two digit prime numbers are there in which both digits…

How many two digit prime numbers are there in which both digits are prime numbers? (For example, 23 is one of these numbers but 31 is not, since 1 is not a prime number.)

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #51264

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