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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.
Exponent Prime Factor Digits Year
99643271594292339 ~1988
9964343199286878 ~1986
9964403199288078 ~1986
9964561597873678 ~1987
9964931199298638 ~1986
9964939996493918 ~1987
9965093597905598 ~1987
99652272391654499 ~1988
9965651145498504710 ~1990
9966251797300098 ~1987
9966263199325278 ~1986
9966533597991998 ~1987
9966581797326498 ~1987
99665871793985679 ~1988
9966967996696718 ~1987
9967031797362498 ~1987
99670812990124319 ~1989
9967147996714718 ~1987
99671591794088639 ~1988
9967439199348798 ~1986
9967597598055838 ~1987
9968243199364878 ~1986
99683813787984799 ~1989
9968411199368238 ~1986
9968501598110078 ~1987
Exponent Prime Factor Digits Year
9968713598122798 ~1987
9969059199381198 ~1986
9969313598158798 ~1987
9969577598174638 ~1987
9969581598174878 ~1987
99696372392712899 ~1988
9969893598193598 ~1987
9970273598216398 ~1987
9970463199409278 ~1986
9970703199414078 ~1986
9971033598261998 ~1987
9971147797691778 ~1987
9971147366938209710
9971411199428238 ~1986
9972029797762338 ~1987
9972451997245118 ~1987
9972569797805538 ~1987
99727792393466979 ~1988
9973079199461598 ~1986
9973331797866498 ~1987
9973811199476238 ~1986
9973811797904898
99738771396342799 ~1988
9974339199486798 ~1986
9974351199487038 ~1986
Exponent Prime Factor Digits Year
9974771199495438 ~1986
9974977598498638 ~1987
9974983997498318 ~1987
9975029798002338 ~1987
9975263199505278 ~1986
9975359798028738 ~1987
99755691396579679 ~1988
9975599199511998 ~1986
9975857598551438 ~1987
99760971396653599 ~1988
9976193598571598 ~1987
9976223199524478 ~1986
9976259199525198 ~1986
9976279997627918 ~1987
9976313598578798 ~1987
9976523199530478 ~1986
99768198979137119 ~1990
9976873598612398 ~1987
9977137598628238 ~1987
9977237598634238 ~1987
9977339199546798 ~1986
9977399798191938 ~1987
9977447798195778 ~1987
99775794789237939 ~1989
9977651199553038 ~1986
Exponent Prime Factor Digits Year
9978383199567678 ~1986
99783837184435779
9978431199568638 ~1986
9978557798284578 ~1987
9978599199571998 ~1986
9978613191589369710 ~1991
9978821598729278 ~1987
9979019199580398 ~1986
9979283199585678 ~1986
9979471997947118 ~1987
9979511798360898 ~1987
9979811199596238 ~1986
99800292195606399 ~1988
9980123199602478 ~1986
99801671796430079 ~1988
9980471199609438 ~1986
99806292395350979 ~1988
9980749101803639910 ~1990
9980987798478978 ~1987
9981221598873278 ~1987
9981359798508738 ~1987
9981557598893438 ~1987
9982127798570178 ~1987
9982183998218318 ~1987
9982319199646398 ~1986
1080
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26-07-19