Question

the lcm of 2^3×3^2×5×11,2^4×3^4×5^2×7 and 2^5×3^3×5^3×7^2×11 is
A. 2^3×3^2×5
B.2^5×3^4×5^3
C.2^3×3^2×5×7×11
D.2^5×3^4×5^3×7^3×11
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Answer 1

Answer:

LCM(2,3) = 6 and LCM(6,10) = 30. ... Prime factorization of 12 = 2 × 2 × 3; Prime factorization of 30 = 2 × 3 × 5; Using all prime numbers found as often as each occurs most often we take 2