Every Day Counts
Mersenne Prime Exponent Days
 
Age: 19,938 days
Date of birth
Your 25th Mersenne Prime Exponent Day is on
Saturday
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
02 Jan 2025
19,949
11
54
13 Feb 2025
19,991
53
54
05 Mar 2025
20,011
73
54
11 Sep 2025
20,201
263
55
14 Feb 2026
20,357
419
55
20 Oct 2029
21,701
1,763
59
05 Nov 2031
22,447
2,509
61
05 Nov 2048
28,657
8,719
78
26 Mar 2072
37,199
17,261
101
03 Mar 2078
39,367
19,429
107
02 Feb 2090
43,721
23,783
119
03 Jul 2103
48,619
28,681
133
27 Oct 2149
65,537
45,599
179
10 Dec 2244
100,279
80,341
274
29 Jun 2268
108,881
88,943
298
01 Apr 2329
131,071
111,133
358
24 Jul 7787
2,124,679
2,104,741
5817
Ordinal
Day Age
Date
Age
1st
2
24 May 1970
0
2nd
3
25 May 1970
0
3rd
5
27 May 1970
0
4th
7
29 May 1970
0
5th
13
04 Jun 1970
0
6th
17
08 Jun 1970
0
7th
19
10 Jun 1970
0
8th
31
22 Jun 1970
0
9th
61
22 Jul 1970
0
10th
89
19 Aug 1970
0
11th
107
06 Sep 1970
0
12th
127
26 Sep 1970
0
13th
521
25 Oct 1971
1
14th
607
19 Jan 1972
1
15th
1,279
21 Nov 1973
3
16th
2,203
02 Jun 1976
6
17th
2,281
19 Aug 1976
6
18th
3,217
13 Mar 1979
8
19th
4,253
12 Jan 1982
11
20th
4,423
01 Jul 1982
12
21st
9,689
30 Nov 1996
26
22nd
9,941
09 Aug 1997
27
23rd
11,213
01 Feb 2001
30
24th
19,937
21 Dec 2024
54
25th
21,701
20 Oct 2029
59
1
26th
23,209
06 Dec 2033
63
27th
44,497
19 Mar 2092
121
28th
86,243
07 Jul 2206
236