Bonjour,
1)
2² x 3³ = 4 x 27 = 108
2⁴ x 3² x 5 = 16 x 6 x 5 = 480
2)
27 = 3 x 3 x 3 = 3³
1 500 = 2 x 2 x 3 x 5 x 5 x 5 = 2² x 3 x 5³
3)
PPCM (600 ; 120) = 600
PGCD (600 ; 120) = 120
PPCM (12 ; 15) = 60
PGCD (12 ; 15) = 3
PPCM (7 ; 8) = 56
PGCD (7 ; 8) = 1.
