SASMO 2014 Secondary 2 (Grade 8) Contest Question 6

Mersenne primes are prime numbers of the form Mp = 2? — 1, where pis a prime.

For example, 3 = 2? — 1 isa Mersenne prime. Find the 4" largest Mersenne prime.
EBxeneeeey 0) faassen ce a PS ens) | ena ee ens c. eaana ft | paann nen SSNOR RRS ASS
Sel : oe Seyi | ae
\

p =
eS