Find the HCF and the LCM of a and b, for the numbers a = 2° x3x 5 x 7 and b = 2 x 3 x
5° x 11. Also check if HCF (a, b) x LCM (a, b) =a x b.
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Answer:
HCF= 3
Step-by-step explanation:
LCM=3×5×7×11
=15×77
=1155
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Answer:
Concept of LCM, HCF important for number theory and remainder based problems (generally asked in SSC CGL, CAT.)
LCM is important for time and speed, time and work problems.
LCM is also important for circular racetracks, bells, blinking lights, etc.
HCF is important for largest size of tiles, largest size of tape to measure a land etc.
But before getting into LCM, HCF, let’s understand
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