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Integer factorization records

Public attempts on the RSA challenge numbers and the slow march of the largest factored composite, from RSA-250 in 2020 to RSA-260.

Current clusters

science1 distinct publisher

A 130-digit number posted on X moves the factoring record ten digits past RSA-250

Eric Lu published a 130-digit factor of RSA-260. Anyone can confirm it divides evenly. The method behind it is still undescribed, and that method is the part that would say anything about deployed key sizes.

Publishers:scientificamerican.com

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Hype gap+20
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Confidence62

Integer factorization records — Clarity Today