Question

find the lcm by prime factor tree of 48,56,72​

Answer 1

Answer:

Prime factorization of 48= 2×2×2×3×2

Prime factorization of 56= 2×2×2×7

Prime factorization of 72= 2×2×2×3×3

LCM of 48, 56 and 72= 2×2×2×2×3×3×7 = 1008

Step-by-step explanation:

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Answer 2

Answer:

LCM of 48 , 56 and 72 = 2 × 2 × 2 × 2 × 3 × 3 × 7 = 1008.

Step-by-step explanation:

So, for the least common multiple of all the numbers we can take the six \[2's\], which will automatically include all other's requirements of \[2's\] in total. Therefore, the Least Common Multiple (LCM) of \[48,64,72,96,108\] is \[1728\].