Every Day Counts
Mersenne Prime Exponent Days
 
Age: 20,002 days
Date of birth
Your 25th Mersenne Prime Exponent Day is on
Thursday
when you will be
21,701 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
30 Dec 2024
20,011
9
54
30 Dec 2024
20,011
9
54
08 Jul 2025
20,201
199
55
11 Dec 2025
20,357
355
55
16 Aug 2029
21,701
1,699
59
01 Sep 2031
22,447
2,445
61
01 Sep 2048
28,657
8,655
78
17 Aug 2052
30,103
10,101
82
21 Jan 2072
37,199
17,197
101
28 Dec 2077
39,367
19,365
107
29 Nov 2089
43,721
23,719
119
29 Apr 2103
48,619
28,617
133
23 Aug 2149
65,537
45,535
179
06 Oct 2244
100,279
80,277
274
25 Apr 2268
108,881
88,879
298
26 Jan 2329
131,071
111,069
358
20 May 7787
2,124,679
2,104,677
5817
Ordinal
Day Age
Date
Age
1st
2
20 Mar 1970
0
2nd
3
21 Mar 1970
0
3rd
5
23 Mar 1970
0
4th
7
25 Mar 1970
0
5th
13
31 Mar 1970
0
6th
17
04 Apr 1970
0
7th
19
06 Apr 1970
0
8th
31
18 Apr 1970
0
9th
61
18 May 1970
0
10th
89
15 Jun 1970
0
11th
107
03 Jul 1970
0
12th
127
23 Jul 1970
0
13th
521
21 Aug 1971
1
14th
607
15 Nov 1971
1
15th
1,279
17 Sep 1973
3
16th
2,203
29 Mar 1976
6
17th
2,281
15 Jun 1976
6
18th
3,217
07 Jan 1979
8
19th
4,253
08 Nov 1981
11
20th
4,423
27 Apr 1982
12
21st
9,689
26 Sep 1996
26
22nd
9,941
05 Jun 1997
27
23rd
11,213
28 Nov 2000
30
24th
19,937
17 Oct 2024
54
25th
21,701
16 Aug 2029
59
1
26th
23,209
02 Oct 2033
63
27th
44,497
14 Jan 2092
121
28th
86,243
03 May 2206
236