1 153 241 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
2036623607	10	30.9	old
563894625278726357089	21	68.9	2017-08-04 10:36:44
1604442041301995378380591	25	80.4	2018-06-08 13:18:43

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-29	Oliver Kruse	24EB556678575466	2	0	1	3
Verified (Factored)	2017-10-17	Oliver Kruse	24EB556678575466	2	1005429	1	3
Verified (Factored)	2018-01-03	ATH	24EB556678575466	2	1111793	1	3
Verified	2018-06-10	Daniil Tsarkov	A2A7E2D94000A6A0	3	431068	5	3
Verified	2018-06-11	Chang Chia-Tche	A2A7E2D94000A6A0	3	833529	5	3

History

Date	User	Type	Result
2018-06-11	Chang Chia-Tche	C-PRP	M1153241/2036623607/563894625278726357089/1604442041301995378380591 : A2A7E2D94000A6A0 PRP: Verified PRP without proof (not generated)
2018-06-10	Daniil Tsarkov	C-PRP	M1153241/2036623607/563894625278726357089/1604442041301995378380591 : A2A7E2D94000A6A0 PRP: Verified PRP without proof (not generated)
2018-06-08	TJAOI	F-ECM	Factor: 1604442041301995378380591 / (ECM curve 19, B1=50000, B2=5000000)
2018-01-03	ATH	C-PRP	M1153241/2036623607/563894625278726357089 : 24EB556678575466 PRP: Verified PRP without proof (not generated)
2017-10-17	Oliver Kruse	C-PRP	M1153241/2036623607/563894625278726357089 : 24EB556678575466 PRP: Verified PRP without proof (not generated)
2017-09-29	Oliver Kruse	C-PRP	M1153241/2036623607/563894625278726357089 : 24EB556678575466 PRP: Verified PRP without proof (not generated)
2017-08-04	TJAOI	F-ECM	Factor: 563894625278726357089 / (ECM curve 42, B1=50000, B2=5000000)
2016-03-17	alpertron	NF-PM1	B1=300000, B2=10000000, E=12