Find LCM of 70 84 and 105
sandeeparjunsipc9oct:
take 7 common so (10,12,15) remains, find LCM of 10, 12 ,15 i.e 60. so 7×60=420
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LCM
70= 2*5*7
84=2*2*3*7=2^2*3*7
105= 3*5*7
so , lcm is
2^2*5*7*3=4*5*7*4
= 560
70= 2*5*7
84=2*2*3*7=2^2*3*7
105= 3*5*7
so , lcm is
2^2*5*7*3=4*5*7*4
= 560
420
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