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
07 Nov 2026
19,937
8
54
07 Nov 2026
19,937
8
54
07 Nov 2026
19,937
8
54
31 Dec 2026
19,991
62
54
20 Jan 2027
20,011
82
54
29 Jul 2027
20,201
272
55
01 Jan 2028
20,357
428
55
21 Sep 2033
22,447
2,518
61
22 Sep 2050
28,657
8,728
78
18 Jan 2080
39,367
19,438
107
20 Dec 2091
43,721
23,792
119
19 May 2105
48,619
28,690
133
13 Sep 2151
65,537
45,608
179
27 Oct 2246
100,279
80,350
274
16 May 2270
108,881
88,952
298
16 Feb 2331
131,071
111,142
358
09 Jun 7789
2,124,679
2,104,750
5817
Ordinal
Day Age
Date
Age
1st
2
09 Apr 1972
0
2nd
3
10 Apr 1972
0
3rd
5
12 Apr 1972
0
4th
7
14 Apr 1972
0
5th
13
20 Apr 1972
0
6th
17
24 Apr 1972
0
7th
19
26 Apr 1972
0
8th
31
08 May 1972
0
9th
61
07 Jun 1972
0
10th
89
05 Jul 1972
0
11th
107
23 Jul 1972
0
12th
127
12 Aug 1972
0
13th
521
10 Sep 1973
1
14th
607
05 Dec 1973
1
15th
1,279
08 Oct 1975
3
16th
2,203
19 Apr 1978
6
17th
2,281
06 Jul 1978
6
18th
3,217
27 Jan 1981
8
19th
4,253
29 Nov 1983
11
20th
4,423
17 May 1984
12
21st
9,689
17 Oct 1998
26
22nd
9,941
26 Jun 1999
27
23rd
11,213
19 Dec 2002
30
24th
19,937
07 Nov 2026
54
1
25th
21,701
06 Sep 2031
59
26th
23,209
23 Oct 2035
63
27th
44,497
03 Feb 2094
121
28th
86,243
23 May 2208
236