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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
98344919637801199 ~1990
9834983196699678 ~1986
9835999983599918 ~1987
9836003196720078 ~1986
9836159196723198 ~1986
9836201590172078 ~1987
9836363196727278 ~1986
9836399196727998 ~1986
9836417786913378 ~1987
9836573590194398 ~1987
9836681786934498 ~1987
98366813147737939
9836993590219598 ~1987
9837083196741678 ~1986
9837313590238798 ~1987
9837439983743918 ~1987
9837851196757038 ~1986
9838133590287998 ~1987
9838207983820718 ~1987
9838259196765198 ~1986
9838379196767598 ~1986
9838397590303838 ~1987
9838553590313198 ~1987
9838877590332638 ~1987
9838943196778878 ~1986
Exp. Prime Factor Digits Year
9839021590341278 ~1987
9839339196786798 ~1986
9839509328639600710 ~1991
9839681590380878 ~1987
9839897787191778 ~1987
98399111574385779 ~1988
9839941590396478 ~1987
9839987787198978 ~1987
9840179196803598 ~1986
9840199984019918 ~1987
9840317590419038 ~1987
9840431196808638 ~1986
9840503196810078 ~1986
9840577590434638 ~1987
9841037590462238 ~1987
9841157787292578 ~1987
9841319196826398 ~1986
9841379196827598 ~1986
9841597590495838 ~1987
9841703196834078 ~1986
9842279196845598 ~1986
9842297590537838 ~1987
9843371196867438 ~1986
9843419196868398 ~1986
9843419787473538
Exp. Prime Factor Digits Year
9843677787494178 ~1987
9843863196877278 ~1986
9843923196878478 ~1986
9844031196880638 ~1986
9844259196885198 ~1986
9844537590672238 ~1987
9844739196894798 ~1986
9844811196896238 ~1986
9845051196901038 ~1986
98450896891562319 ~1989
9845117590707038 ~1987
98454832362915939 ~1988
9845677590740638 ~1987
9845723196914478 ~1986
9845939196918798 ~1986
9845951787676098 ~1987
98459633150708179 ~1989
9846037590762238 ~1987
98461132363067139 ~1988
9846301590778078 ~1987
9846377590782638 ~1987
9846443196928878 ~1986
9846517590791038 ~1987
9846659196933198 ~1986
9846701590802078 ~1987
Exp. Prime Factor Digits Year
9846779196935598 ~1986
9846833590809998 ~1987
9846839196936798 ~1986
9846841590810478 ~1987
9847091196941838 ~1986
9847157590829438 ~1987
9847499196949998 ~1986
9847637590858238 ~1987
9847637787810978
9847891984789118 ~1987
9847897590873838 ~1987
9848057590883438 ~1987
9848183196963678 ~1986
9848291196965838 ~1986
9848299984829918 ~1987
9848537590912238 ~1987
9848543196970878 ~1986
9848801787904098 ~1987
9848857590931438 ~1987
9848879196977598 ~1986
98488871772799679 ~1988
9849551196991038 ~1986
9849577590974638 ~1987
9849863196997278 ~1986
9849941590996478 ~1987
1062
GIMPS The Prime Pages FactorDb.com
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26-05-03