
Re: Relation between sum and product of primes
Posted:
Jan 10, 2015 11:06 AM


Le vendredi 9 janvier 2015 19:24:07 UTC+1, ventocil...@gmail.com a écrit : > El jueves, 8 de enero de 2015, 8:44:46 (UTC4:30), lut...@gmail.com escribió: > > For instance,3+5+7=3x5 > > > > Are there other examples of such relation? > > > > Thanks > > All are conjectures but I believe that the sum of sets of consecutive primes are > sufficient powerful for to be equal to infinite primes, squares, primorials etc. > Examples: > 23 (Prime) = 5+7+11 > 7# (Primorial 7) = 2x3x5x7 = 210 = 13+17+19+23+2+9+31++41 > 49 (Square) = 13+17+19 = 7^2
The inverse problem is: Can any product of two primes be the sum of consecutive primes?

