the Lcm of 12,15,21
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6
Answer:
LCM of 12,15,21 =3
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Answered by
7
Answer:
12=2×2×3=2²×3
15=3×5
21=3×7
L.C.M=product of greatest power of each prime factor
=2²×3×5×7
=4×3×5×7
=420
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