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Question
If H.C.F (420, 189) = 21 then L.C.M (420, 189) is _________.
Options
420
1890
3780
3680
MCQ
Fill in the Blanks
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Solution
If H.C.F (420, 189) = 21 then L.C.M (420, 189) is 3780.
Explanation:
Given,
H.C.F (420, 189) = 21
As we know,
L.C.M (a, b) = `(a × b)/(H.C.F (a, b))`
L.C.M (420, 189) = `(420 × 189)/21`
= 20 × 189
= 3780
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