{ "id": "1504.00533", "version": "v1", "published": "2015-04-02T13:03:07.000Z", "updated": "2015-04-02T13:03:07.000Z", "title": "Almost prime tripes and Chen's Theorem", "authors": [ "D. R. Heath-Brown", "Xiannan Li" ], "comment": "21 pages", "categories": [ "math.NT" ], "abstract": "We show that there are infinitely many primes $p$ such that not only does $p + 2$ have at most two prime factors, but $p + 6$ also has a bounded number of prime divisors. This refines the well known result of Chen.", "revisions": [ { "version": "v1", "updated": "2015-04-02T13:03:07.000Z" } ], "analyses": { "subjects": [ "11P32" ], "keywords": [ "prime tripes", "chens theorem", "prime factors" ], "note": { "typesetting": "TeX", "pages": 21, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2015arXiv150400533H" } } }