Every Day Counts
Mersenne Prime Exponent Days
 
Age: 19,929 days
Date of birth
Your 24th Mersenne Prime Exponent Day is on
Saturday
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
05 Sep 2026
19,937
8
54
05 Sep 2026
19,937
8
54
05 Sep 2026
19,937
8
54
29 Oct 2026
19,991
62
54
18 Nov 2026
20,011
82
54
27 May 2027
20,201
272
55
30 Oct 2027
20,357
428
55
20 Jul 2033
22,447
2,518
61
21 Jul 2050
28,657
8,728
78
16 Nov 2079
39,367
19,438
107
18 Oct 2091
43,721
23,792
119
17 Mar 2105
48,619
28,690
133
12 Jul 2151
65,537
45,608
179
25 Aug 2246
100,279
80,350
274
14 Mar 2270
108,881
88,952
298
15 Dec 2330
131,071
111,142
358
07 Apr 7789
2,124,679
2,104,750
5817
Ordinal
Day Age
Date
Age
1st
2
06 Feb 1972
0
2nd
3
07 Feb 1972
0
3rd
5
09 Feb 1972
0
4th
7
11 Feb 1972
0
5th
13
17 Feb 1972
0
6th
17
21 Feb 1972
0
7th
19
23 Feb 1972
0
8th
31
06 Mar 1972
0
9th
61
05 Apr 1972
0
10th
89
03 May 1972
0
11th
107
21 May 1972
0
12th
127
10 Jun 1972
0
13th
521
09 Jul 1973
1
14th
607
03 Oct 1973
1
15th
1,279
06 Aug 1975
3
16th
2,203
15 Feb 1978
6
17th
2,281
04 May 1978
6
18th
3,217
25 Nov 1980
8
19th
4,253
27 Sep 1983
11
20th
4,423
15 Mar 1984
12
21st
9,689
15 Aug 1998
26
22nd
9,941
24 Apr 1999
27
23rd
11,213
17 Oct 2002
30
24th
19,937
05 Sep 2026
54
1
25th
21,701
05 Jul 2031
59
26th
23,209
21 Aug 2035
63
27th
44,497
02 Dec 2093
121
28th
86,243
21 Mar 2208
236