decomposer en produit de facteur premier: a)792 b)1 950 c)288 d)12 000​

a) 792=2x396

=2x2x198

=2x2x2x99

=2x2x2x2x3x33

=2x2x2x2x3x3x11 ou 2⁴x3²x11

b) 1950=2x975

=2x3x325

=2x3x3x5x65

=2x3x3x5x5x13 ou 2x3²x5²x13

c) 288=2x144

=2x2x72

=2x2x2x36

=2x2x2x2x18

=2x2x2x2x2x9

=2x2x2x2x2x3x3 ou 2⁵x3²

d) 12000=2x6000

=2x2x3000

=2x2x2x1500

=2x2x2x2x750

=2x2x2x2x2x375

=2x2x2x2x2x3x125

=2x2x2x2x2x3x5x25

=2x2x2x2x2x3x5x5x5 ou 2⁵x3x5³