What will be the least common multiple

What will be the least common multiple of four numbers 15, 35, 42 and 72?
चार संख्याओं 15, 35, 42, और 72 का लघुत्तम समापवर्त्य (LCM) क्या होगा?

2025 2550 2520 2050

Detailed Solution & Logic

Correct Answer:

2520

$ 15 = 3 \times 5 $

$ 35 = 5 \times 7 $

$ 42 = 2 \times 3 \times 7 $

$ 72 = 2^3 \times 3^2 $

$ \text{LCM} = 2^3 \times 3^2 \times 5 \times 7 $

$ = 8 \times 9 \times 5 \times 7 $

Answer = 2520

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