Every Day Counts
Mersenne Prime Exponent Days
 
Age: 23,216 days
Date of birth
Your 27th Mersenne Prime Exponent Day is on
Sunday
when you will be
44,497 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
01 Aug 2018
23,227
11
63
25 Aug 2018
23,251
35
63
03 Nov 2018
23,321
105
63
28 Apr 2019
23,497
281
64
24 Aug 2020
23,981
765
65
13 Jun 2033
28,657
5,441
78
29 May 2037
30,103
6,887
82
01 Nov 2056
37,199
13,983
101
09 Oct 2062
39,367
16,151
107
10 Sep 2074
43,721
20,505
119
25 Oct 2076
44,497
21,281
121
07 Feb 2088
48,619
25,403
133
04 Jun 2134
65,537
42,321
179
18 Jul 2229
100,279
77,063
274
04 Feb 2253
108,881
85,665
298
07 Nov 2313
131,071
107,855
358
29 Feb 7772
2,124,679
2,101,463
5817
Ordinal
Day Age
Date
Age
1st
2
30 Dec 1954
0
2nd
3
31 Dec 1954
0
3rd
5
02 Jan 1955
0
4th
7
04 Jan 1955
0
5th
13
10 Jan 1955
0
6th
17
14 Jan 1955
0
7th
19
16 Jan 1955
0
8th
31
28 Jan 1955
0
9th
61
27 Feb 1955
0
10th
89
27 Mar 1955
0
11th
107
14 Apr 1955
0
12th
127
04 May 1955
0
13th
521
01 Jun 1956
1
14th
607
26 Aug 1956
1
15th
1,279
29 Jun 1958
3
16th
2,203
08 Jan 1961
6
17th
2,281
27 Mar 1961
6
18th
3,217
19 Oct 1963
8
19th
4,253
20 Aug 1966
11
20th
4,423
06 Feb 1967
12
21st
9,689
08 Jul 1981
26
22nd
9,941
17 Mar 1982
27
23rd
11,213
09 Sep 1985
30
24th
19,937
29 Jul 2009
54
25th
21,701
28 May 2014
59
26th
23,209
14 Jul 2018
63
27th
44,497
25 Oct 2076
121
1
28th
86,243
11 Feb 2191
236