Find the greatest 4 digit number that is exactly divide by 28 ,35 and 49
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The greatest 4 digit number that is exactly divided by 28, 35 and 49 is 9800.
7 l28, 35, 49
4, 5, 7
LCM = 7×4×5×7
= 980
= 980×10 = 9800
Since, 980 is divisible by 28, 35 and 49. 9800 is the greatest 4 digit number that is exactly divided by 28, 35 and 49.
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