Erdős problem 1107Let r≥2r \ge 2. Is every large integer the sum of at most r+1r + 1 many rr-powerful numbers?WorkspaceContinue locallyOpen sourceSign in to contributeOpen this exact Problem, source revision, and authority Repository in Workbench. This handoff does not clone, switch, upload, or execute anything.FilesErdős problem 11073 retained source recordsCanvaspublic previewSource#1107→ResultNone→Checks0