Determine the greatest five digit number exactly divisible by 24,30and 42
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Answer:
LCM of 24,30,42 =840
5 digit greatest no= 99999
99999/840 remember=39
99999-39=99960
anitavijaynirban1976:
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LCM of 24,30,42 =840
Greatest 5 digit number = 99999
99999/840 =39
Subtract 39 from greatest 5 digit number.
99999-39=99960
Greatest 5 digit number = 99999
99999/840 =39
Subtract 39 from greatest 5 digit number.
99999-39=99960
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24 = 2×2×2×3
30 = 2×3×5
42 = 2×3×7
Here, LCM = 2×3×2×2×5×7 = 840
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