Erdős Problem a Daythe open tracker

Erdős Problem #10

OPENdatabase updated 2025-08-31

No proof or disproof is known, and it isn't known whether a finite computation could settle it.

What the community database records, not our verdict. erdosproblems.com no longer shows statuses (why).

The set of natural numbers that can be written as a sum of a prime and at most \(k\) powers of \(2\).

Is there some \(k\) such that every large integer is the sum of a prime and at most \(k\) powers of \(2\)?
Statement as formalized in Formal Conjectures (Google DeepMind, Apache-2.0) · their label: research open · 5 further variants / known partial results in the Lean file. The authoritative wording is on erdosproblems.com/10.
Prizenone
Topicsnumber theory, additive basis, primes
Statement in LeanFormal Conjectures
Solution in Leanno
OEISA387053
Original pageerdosproblems.com/10
WORKING REPORT BY THIS SITE · JUL 26, 2026

Read our working report →

exact exhaustive table through 1,117,175,146; proved computationally that 1,117,175,146 is the first integer requiring four powers, while the uniform boundedness question remains open.

PARTIAL