Every Day Counts
Mersenne Prime Exponent Days
 
Age: 21,815 days
Date of birth
Your 26th Mersenne Prime Exponent Day is on
Wednesday
when you will be
23,209 days old

These are primes p such that 2p - 1 is prime.

For Mersenne Prime Days see Mersenne Prime Days.

Remind me, please


Next Prime Events
Day Age
Event
Days Ahead
Year Age
18 Oct 2018
21,817
2
59
11 Nov 2018
21,841
26
59
20 Feb 2020
22,307
492
61
09 Jul 2020
22,447
632
61
10 Aug 2022
23,209
1,394
63
21 Sep 2022
23,251
1,436
63
10 Jul 2037
28,657
6,842
78
25 Jun 2041
30,103
8,288
82
28 Nov 2060
37,199
15,384
101
05 Nov 2066
39,367
17,552
107
07 Oct 2078
43,721
21,906
119
05 Mar 2092
48,619
26,804
133
01 Jul 2138
65,537
43,722
179
14 Aug 2233
100,279
78,464
274
03 Mar 2257
108,881
87,066
298
04 Dec 2317
131,071
109,256
358
27 Mar 7776
2,124,679
2,102,864
5817
Ordinal
Day Age
Date
Age
1st
2
26 Jan 1959
0
2nd
3
27 Jan 1959
0
3rd
5
29 Jan 1959
0
4th
7
31 Jan 1959
0
5th
13
06 Feb 1959
0
6th
17
10 Feb 1959
0
7th
19
12 Feb 1959
0
8th
31
24 Feb 1959
0
9th
61
26 Mar 1959
0
10th
89
23 Apr 1959
0
11th
107
11 May 1959
0
12th
127
31 May 1959
0
13th
521
28 Jun 1960
1
14th
607
22 Sep 1960
1
15th
1,279
26 Jul 1962
3
16th
2,203
04 Feb 1965
6
17th
2,281
23 Apr 1965
6
18th
3,217
15 Nov 1967
8
19th
4,253
16 Sep 1970
11
20th
4,423
05 Mar 1971
12
21st
9,689
04 Aug 1985
26
22nd
9,941
13 Apr 1986
27
23rd
11,213
06 Oct 1989
30
24th
19,937
25 Aug 2013
54
25th
21,701
24 Jun 2018
59
26th
23,209
10 Aug 2022
63
1
27th
44,497
21 Nov 2080
121
28th
86,243
10 Mar 2195
236