How many reps and how often do you have to do pushups to get big pecs?

basically u do pushups the amount of timess u can do and when u feel the BURN U CONTINUE doing it cuz thast when ur musscle is rippin and keep doing it til u literalyy cant do ANOther one and ur hand falls fall on the floor cuz u cant do another one.. take 40 sec break go at it again keep doing it till u can only do like 1 or 2................ when u get better keep doin til u can do like only 5 hope dat helps