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David Radcliffe /
npub19ex…vnda
2023-08-16 20:46:32

David Radcliffe on Nostr: This is a transformer near my home, bearing the number 2537. The digits consist of ...

This is a transformer near my home, bearing the number 2537. The digits consist of the first four primes (out of order), but the number is composite. Can you factor it mentally?

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npub19ex99kwdn49rvjjja3glrg7du7hn4t5q86wkpe0vqkpe0cmqn2usmwvnda