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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exp. Prime Factor Digits Year
4907239883303038 ~1986
4907297294437838 ~1984
4907381294442878 ~1984
49075931177822339 ~1986
4907801392624098 ~1985
4907831392626498 ~1985
4907921294475278 ~1984
4908097294485838 ~1984
4908107392648578 ~1985
4908107883459278
49081332257741199 ~1987
49081792355925939 ~1987
4908187490818718 ~1985
490831198166237 ~1983
49083472356006579 ~1987
4908377392670178 ~1985
490855198171037 ~1983
490886398177277 ~1983
4908907490890718 ~1985
4908979490897918 ~1985
4909013294540798 ~1984
4909169687283678 ~1985
4909193294551598 ~1984
490919998183997 ~1983
490940398188077 ~1983
Exp. Prime Factor Digits Year
490945198189037 ~1983
4909747490974718 ~1985
4909781392782498 ~1985
491009998201997 ~1983
491035198207037 ~1983
4910371491037118 ~1985
4910371785659378
4910537294632238 ~1984
491057998211597 ~1983
4910597294635838 ~1984
4910621294637278 ~1984
491065198213037 ~1983
4910833294649998 ~1984
491108398221677 ~1983
4911149687560878 ~1985
4911451491145118 ~1985
49115394420385119 ~1987
491155198231037 ~1983
491174398234877 ~1983
491183998236797 ~1983
491209198241837 ~1983
4912207491220718 ~1985
4912247392979778 ~1985
49123431277209199 ~1986
4912459884242638 ~1986
Exp. Prime Factor Digits Year
4912553294753198 ~1984
491255998251197 ~1983
4912841393027298 ~1985
49129911277377679 ~1986
4913339393067138 ~1985
4913917786226738 ~1985
491393998278797 ~1983
491399998279997 ~1983
4914029687964078 ~1985
49142632063990479 ~1987
4914487491448718 ~1985
4914509688031278 ~1985
49145293833332639 ~1987
491455198291037 ~1983
4914661294879678 ~1984
491467198293437 ~1983
4914799884663838 ~1986
4914809393184738 ~1985
491491198298237 ~1983
4915153294909198 ~1984
4915271393221698 ~1985
491533198306637 ~1983
491545198309037 ~1983
4915621786499378 ~1985
4915637294938238 ~1984
Exp. Prime Factor Digits Year
4915847154357595910 ~1989
4915987491598718 ~1985
49160831179859939 ~1986
4916239491623918 ~1985
4916257294975438 ~1984
4916381393310498 ~1985
491642398328477 ~1983
4916441294986478 ~1984
4916467491646718 ~1985
4916581294994878 ~1984
49166331474989919 ~1986
491675998335197 ~1983
4916777295006638 ~1984
4916777688348798
4916831393346498 ~1985
4916993295019598 ~1984
491702398340477 ~1983
4917413183911246310 ~1989
4917511491751118 ~1985
49175333934026419 ~1987
4917721786835378 ~1985
4917901295074078 ~1984
49179891475396719 ~1986
491801998360397 ~1983
491807998361597 ~1983
703
GIMPS The Prime Pages FactorDb.com
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26-05-03