Question

rezolvati
1*2*3*4*5*6*..........*28=

Answer 1

Cred ca se refera la a scrie nr ca puteri si anume
4=2^2, 6=2*3, 8=2^3, 9=3^2, 10=2*5, 12=2^2*3, 14=2*7, 15=3*5, 16=2^4, 18=2*3^2, 20=2^2*5, 21=3*7, 22=2*11, 24=2^3*3, 25=5^2, 26=2*13, 27=3^3, 28=2^2*7
Inlocuim si apoi grupam puterile
P=2*3*(2^2)*5*(2*3)*7*(2^3)*(3^2)*(2*5)*11*(2^2*3)*13*(2*7)*(3*5)*(2^4)*17*(2*3^2)*19*(2^2*5)*(3*7)*(2*11)*23*(2^3*3)*(5^2)*(2*13)*(3^3)*(2^2*7)=
Grupez puterile lui 2, 3, 5, 7, 11,13 apoi inmultesc cu  17, 19, 23 si obtin
P=2^25*3^13*5^6*7^4*11^2*13^2*17*19*23