Find the LCM of $$(2^{2}Â \times 3^{2}Â \times 5Â \times 7)$$,$$(2^{2} \times3\times 5^{2}Â Â \times 7)$$ and $$(2Â \times 3Â \times 5 \times7)$$.
$$(2^{2} \times 3^{2} \times 5 \times 7)$$
$$(2^{2} \times3\times 5^{2} \times 7)$$Â
$$(2 \times 3 \times 5 \times7)$$.
lcm is common factor = $$(2 \times 2 \times 3 \times 5\ times 3\times 5\times 7)$$ = 6300
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