Home e-mail
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
1396559251380638 ~1981
1396657558662818 ~1982
139667927933597 ~1979
139669127933837 ~1979
1396711251407998 ~1981
1396723223475698 ~1981
1396867139686718 ~1981
1397021111761698 ~1980
1397059586764798 ~1982
1397107335305698 ~1982
1397131251483598 ~1981
1397189111775138 ~1980
139721927944397 ~1979
139730327946077 ~1979
1397441531027598 ~1982
1397443335386338 ~1982
139753127950637 ~1979
1397531782617378
139757927951597 ~1979
1397729335454978 ~1982
1397761307507438 ~1982
139778327955677 ~1979
139793927958797 ~1979
1397959251632638 ~1981
139799927959997 ~1979
Exp. Prime Factor Digits Year
1398107111848578 ~1980
1398113195735838 ~1981
1398121223699378 ~1981
1398247139824718 ~1981
139825127965037 ~1979
1398251447440338
1398259587268798 ~1982
139826327965277 ~1979
1398263447444178
13982698147...315711420921 1996
1398349978844318 ~1983
1398367335608098 ~1982
139841383904797 ~1980
139852183911277 ~1980
139862327972477 ~1979
13986231034981039
139870183922077 ~1980
1398701111896098
139873127974637 ~1979
1398781643439278 ~1982
1398781671414898
139886327977277 ~1979
139897783938637 ~1980
1399121111929698 ~1980
13991291091320639 ~1983
Exp. Prime Factor Digits Year
1399193335806338 ~1982
1399213419763918 ~1982
1399261671645298 ~1982
139931927986397 ~1979
1399441419832318 ~1982
1399513559805218 ~1982
13995492099323519 ~1984
1399837559934818 ~1982
139994327998877 ~1979
140003928000797 ~1979
140005128001037 ~1979
1400141112011298 ~1980
1400249196034878 ~1981
1400279252050238 ~1981
140030328006077 ~1979
14003271596372799 ~1983
1400387364100638 ~1982
140041128008237 ~1979
14004892212772639 ~1984
140054328010877 ~1979
1400653420195918 ~1982
1400669532254238 ~1982
1400687252123678 ~1981
14008092017164979 ~1984
1400879252158238 ~1981
Exp. Prime Factor Digits Year
140089128017837 ~1979
1400891252160398
14008912801782019
1401083700541518 ~1982
14010831345039699
1401131112090498 ~1980
1401151140115118 ~1981
140120328024077 ~1979
140137128027437 ~1979
1401403140140318 ~1981
1401461532555198 ~1982
1401629196228078 ~1981
1401679476570878 ~1982
140171384102797 ~1980
1401739140173918 ~1981
1401793336430338 ~1982
1401971700985518 ~1982
1402169196303678 ~1981
1402169869344798
1402277112182178 ~1980
140228328045677 ~1979
140230184138077 ~1980
1402363925559598 ~1983
140239784143837 ~1980
14026033702871939 ~1984
303
GIMPS The Prime Pages FactorDb.com
Home
4.724.182 digits 		e-mail
25-04-13