56479
This number is a prime.
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56479 is the largest known prime p (p < k) such that k*p contains only prime digits. Here k = 62387 (62387*56479 =
3523555373) and k is the smallest example where k*p contains only prime digits. Is there a larger prime with this property? [Sariyar]
Submitted: 2021-04-13 14:08:22; Last Modified: 2021-04-14 11:47:49.
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