Every Day Counts
Mersenne Prime Exponent Days
 
Age: 19,935 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
21 Mar 2026
19,937
2
54
21 Mar 2026
19,937
2
54
21 Mar 2026
19,937
2
54
14 May 2026
19,991
56
54
03 Jun 2026
20,011
76
54
10 Dec 2026
20,201
266
55
15 May 2027
20,357
422
55
02 Feb 2033
22,447
2,512
61
03 Feb 2050
28,657
8,722
78
01 Jun 2079
39,367
19,432
107
03 May 2091
43,721
23,786
119
30 Sep 2104
48,619
28,684
133
25 Jan 2151
65,537
45,602
179
10 Mar 2246
100,279
80,344
274
27 Sep 2269
108,881
88,946
298
30 Jun 2330
131,071
111,136
358
21 Oct 7788
2,124,679
2,104,744
5817
Ordinal
Day Age
Date
Age
1st
2
22 Aug 1971
0
2nd
3
23 Aug 1971
0
3rd
5
25 Aug 1971
0
4th
7
27 Aug 1971
0
5th
13
02 Sep 1971
0
6th
17
06 Sep 1971
0
7th
19
08 Sep 1971
0
8th
31
20 Sep 1971
0
9th
61
20 Oct 1971
0
10th
89
17 Nov 1971
0
11th
107
05 Dec 1971
0
12th
127
25 Dec 1971
0
13th
521
22 Jan 1973
1
14th
607
18 Apr 1973
1
15th
1,279
19 Feb 1975
3
16th
2,203
31 Aug 1977
6
17th
2,281
17 Nov 1977
6
18th
3,217
10 Jun 1980
8
19th
4,253
12 Apr 1983
11
20th
4,423
29 Sep 1983
12
21st
9,689
28 Feb 1998
26
22nd
9,941
07 Nov 1998
27
23rd
11,213
02 May 2002
30
24th
19,937
21 Mar 2026
54
1
25th
21,701
18 Jan 2031
59
26th
23,209
06 Mar 2035
63
27th
44,497
17 Jun 2093
121
28th
86,243
05 Oct 2207
236