Mersenne Number whose Index is Mersenne Prime/Mistake
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Source Work
1986: David Wells: Curious and Interesting Numbers:
- The Dictionary
- $8191$
Mistake
- It had been conjectured that although most Mersenne numbers appear to be composite, a Mersenne number whose index was prime would itself be prime.
Correction
The correct wording of the end of this sentence is:
- ... a Mersenne number whose index was a Mersenne prime would itself be prime.
This has been corrected in Curious and Interesting Numbers, 2nd ed. of $1997$.
Sources
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $8191$