5 569 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 6 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
37813511	8	25.2	old
1780999130520535275607	22	70.6	old
16631976647895507364087	23	73.8	old
60067779924806067516623	23	75.7	old
8594469020309594994743263	25	82.8	old
755152784431796452276081311289	30	99.3	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	11064 / 16550

Estimated T-Level: 48.3 ⓘ

TF below 2^156 is very unlikely to find new factors due to ECM effort.

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	No proof (small exponent)	2017-09-21	Oliver Kruse	7ADC74B7BB1A9E13	6	0	1	3
Verified	No proof (small exponent)	2017-10-02	kkmrkkblmbrbk	7ADC74B7BB1A9E13	6	0	1	3
Verified	No proof (small exponent)	2017-12-07	ATH	7ADC74B7BB1A9E13	6	4559	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	56D1AB05687FF5B1	6	441	5	3
Verified	No proof (small exponent)	2024-02-03	Wentao Huang	56D1AB05687FF5B1	6	1753	5	3

History

Date	User	Type	Result
2025-05-15	masser	NF-PP1	Start=173/41, B1=2100000000, B2=2097900000000
2024-02-03	Wentao Huang	C-PRP	M5569/37813511/1780999130520535275607/16631976647895507364087/60067779924806067516623/8594469020309594994743263/755152784431796452276081311289 : 56D1AB05687FF5B1
2023-07-14	-anonymous-	NF-PM1	B1=45000000000, B2=181622797963056450
2021-08-27	Seth_Tr	NF-PM1	B1=400000000
2020-04-17	Oliver Kruse	C-PRP	M5569/37813511/1780999130520535275607/16631976647895507364087/60067779924806067516623/8594469020309594994743263/755152784431796452276081311289 : 56D1AB05687FF5B1
2017-12-07	ATH	C-PRP	M5569/37813511/1780999130520535275607/16631976647895507364087/60067779924806067516623/8594469020309594994743263/755152784431796452276081311289 : 7ADC74B7BB1A9E13
2017-10-02	kkmrkkblmbrbk	C-PRP	M5569/37813511/1780999130520535275607/16631976647895507364087/60067779924806067516623/8594469020309594994743263/755152784431796452276081311289 : 7ADC74B7BB1A9E13
2017-09-21	Oliver Kruse	C-PRP	M5569/known_factors : 7ADC74B7BB1A9E13