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The prime factor decompositions of two numbers, R and S, are shown below.
R = 2x10^12× 7x10^3 x 11x10^2
S = 2x10^4x 3x10^7x5×7x10^9 × 11
What is the lowest common multiple (LCM) of R and S?
Give your answer as a product of its prime factors in index form.