Respuesta :

obudat
the l.cm are
1.)2x3x15=9
2.)2x5x6=60
3.)2x3x3x3=54
#1-30
#2-30
#3-6
To solve LCM with prime factorization, you first make a number tree with both numbers, cross out the similar numbers, then multiply the rest of the numbers that were not crossed out, together. Hope this helped!

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