SCP-1941 is an entry on the SCP Foundation website. The SCP Foundation is a creative writing wiki centered around the fictional namesake organization that catalogs, studies and contains objects that violate natural law.


SCP-1941 is an alien von Neumann probe that landed on the Moon and began constructing a network of black web-like structures on the far side of the Moon. The probe will stop the replication of itself once a signal has been recieved from humanity as concerns the factors of the following integer:


The first two prime factors of this number are 3 and 487811; there are no other prime factors underneath ten million. The magnitude of this number is approximately \(10^{10^{29.126}}\), or a googol squared repeatedly just over 94 times.

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