Erdős problem 939 · problems.science

If $r≥4$ then can the sum of $r-2$ coprime $r$ -powerful numbers ever be itself $r$ -powerful?

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Problem row: sha256:58e9800d981acfb92dc4aa20ce4a4a327e7c7146c62e77ace8fd59971ba18be3
Metadata: sha256:3e1d78edb505f889280f4ef1f0d16af1111b7b226ac42db547b137ec1a6eda98
Observation: sha256:8c823d621b7e1256c8e47c60a5f1c54c016a5507e6f27b2bab537f6f5f232067
Content: sha256:7a2c6bfe5a176bf38680d5af20b45ccf06573b2cdd08fdfcc749c287a577162b

Repository: sha256:a956b84c437202e5a02cc9e036a621bd14a302b34a75758115730bdbb77c52a4
Projection: sha256:c9d14c459c518937e758918b5897dc3b22f1a55f07739afe99502f5b046c907a
Source commit: 2415f78e850aeee50afdca525c6f2e0ea606f207