Question 656535

prime numbers we nan use:

{{{2}}}, {{{3}}}, {{{5}}} ,{{{7}}} ,{{{11}}}, {{{13}}} ,{{{17}}} ,{{{19}}}, {{{23}}}, {{{29}}}, {{{31}}} ,{{{37}}} ,{{{41}}} ,{{{43}}}, {{{47}}}, {{{53}}}, {{{59}}}, {{{61}}} (we can’t use {{{59}}} because smallest one is {{{2}}}, nor {{{61}}} because is greater than {{{60}}}) 

Sum of the {{{8th}}} and {{{13th}}} prime numbers {{{19 + 41 = 60}}}
Sum of the {{{9th}}} and {{{12th}}} prime numbers {{{23 + 37 = 60}}}
Sum of prime numbers {{{7 + 53 =60}}}, {{{13 + 47 =60}}}, {{{17 + 43 = 60}}}