Question

find the l.c.m by prime factorisation method 15,25,30​

Answer 1

Answer:

Step-by-step explanation:

=   5 | 15 25 30

    5 | 3   5    6

    5 | 3    1    6

    3 | 1     1     2

    2 | 1     1     1

= 5×5×5×3×2

= 90