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Sagot :

TMALIDIN33

a = 2*7*2*3*3

b = 3*7*11*2*23

c= 2*5*11*3*2*2

d=3*3*3*3*11*11*13*13

ARTHURD

a)14*18=

2*7*2*3*3=

2^2*3^2*7

 

b)21*22*23=

3*7*2*11*23

 

c)10*11*12*13=

2*5*11*2*2*3*13=

2^3*5*11*13

 

d)81*121*169=

3*3*3*3*11*11*13*13=

3^4*11^2*13^2

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