15k primes:
995233965 206176
998895645 171713
998895645 175629
994508625 200033
995233965 218448

AndersonM - L40

M31
 

16371 216098 is a general Mersenne prime! :whistle:

Primes Primes Primes!!

998895645 179855
999096285 178988
997867365 180695
597590565 192367
999096285 188485

AndersonM - L40

Here are some more primes:

2145 167614
2145 213621
2145 214257
2145 214994
49335 199133

Thomas11 - L8

New primes
 

Six new primes...

968186505 184525
968186505 189967
968186505 191968
1973886915 157409
1973886915 165356
1973886915 178746

/ Henrik Nilsson

Just a "few" new primes:

49335 242161 [170000-250000]

79365 170799
79365 192229
79365 192488
79365 211195
79365 249180 [170000-250000]

92235 188058
92235 205508
92235 212963 [185000-250000]

105105 204860
105105 230583 [200000-250000]

135135 170520
135135 207792
135135 213916
135135 231338
135135 233573 [170000-250000]

139425 183558
139425 216323
139425 219087
139425 234984
139425 237594 [170000-250000]

143715 171122
143715 173842
143715 177563
143715 185576
143715 243406 [170000-250000]

173745 234573 (in progress)

229515 177612
229515 191077
229515 196950 [170000-250000]

242385 174765
242385 195912
242385 203328
242385 203712
242385 223070 [170000-250000]

259545 176317
259545 187703 (in progress)

319605 192517
319605 220769 [170000-250000]

323895 176374
323895 188428 (in progress)

-- Thomas11 L8

2995125705 369638
L72

2995125705 377098
L72

As far as 706427865 goes:

706427865*2^169674-1 is prime! Time : 126.973 sec.
706427865*2^172049-1 is prime! Time : 151.159 sec.
706427865*2^178399-1 is prime! Time : 311.903 sec.
706427865*2^208910-1 is prime! Time : 186.516 sec.
706427865*2^217202-1 is prime! Time : 466.253 sec.

The 15k.org website seems to be down?

/ Henrik Nilsson

My first prime, found with 515106735, is:
515106735 167036

about 50300 digits...just 2200 digits shy of the top 5000.

-Larry

2995125705 398076 :banana:
L72