1.

Find the lcm of 28, 144, 196 by prime factorisation method

Answer»

Answer:

PRIME factorization of the numbers:

28 = 2 × 2 × 7

144 = 2 × 2 × 2 × 2 × 3 × 3

186 = 2 × 3 × 31

LCM(28, 144, 186)

= 2 × 2 × 2 × 2 × 3 × 3 × 7 × 31

= 31248



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