Every Day Counts
Mersenne Prime Exponent Days
 
Age: 19,929 days
Date of birth
Your 24th Mersenne Prime Exponent Day is on
Sunday
when you will be
19,937 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
04 Jan 2026
19,937
8
54
04 Jan 2026
19,937
8
54
04 Jan 2026
19,937
8
54
27 Feb 2026
19,991
62
54
19 Mar 2026
20,011
82
54
25 Sep 2026
20,201
272
55
28 Feb 2027
20,357
428
55
18 Nov 2032
22,447
2,518
61
19 Nov 2049
28,657
8,728
78
17 Mar 2079
39,367
19,438
107
16 Feb 2091
43,721
23,792
119
16 Jul 2104
48,619
28,690
133
10 Nov 2150
65,537
45,608
179
24 Dec 2245
100,279
80,350
274
13 Jul 2269
108,881
88,952
298
15 Apr 2330
131,071
111,142
358
06 Aug 7788
2,124,679
2,104,750
5817
Ordinal
Day Age
Date
Age
1st
2
07 Jun 1971
0
2nd
3
08 Jun 1971
0
3rd
5
10 Jun 1971
0
4th
7
12 Jun 1971
0
5th
13
18 Jun 1971
0
6th
17
22 Jun 1971
0
7th
19
24 Jun 1971
0
8th
31
06 Jul 1971
0
9th
61
05 Aug 1971
0
10th
89
02 Sep 1971
0
11th
107
20 Sep 1971
0
12th
127
10 Oct 1971
0
13th
521
07 Nov 1972
1
14th
607
01 Feb 1973
1
15th
1,279
05 Dec 1974
3
16th
2,203
16 Jun 1977
6
17th
2,281
02 Sep 1977
6
18th
3,217
26 Mar 1980
8
19th
4,253
26 Jan 1983
11
20th
4,423
15 Jul 1983
12
21st
9,689
14 Dec 1997
26
22nd
9,941
23 Aug 1998
27
23rd
11,213
15 Feb 2002
30
24th
19,937
04 Jan 2026
54
1
25th
21,701
03 Nov 2030
59
26th
23,209
20 Dec 2034
63
27th
44,497
02 Apr 2093
121
28th
86,243
21 Jul 2207
236