Lcm&hcf of 36,12,18 using prime factorisation method
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at the very first... write all the prime factors of 36,12,18..
36=2*2*3*3
12=2*2*3
18=2*3*3
Now, for LCM, we take the greatest power of common numbers multiplied with each other along with the numbers left that are uncommon...
Here, lcm(36,12,18)= 2²*3²=4*9=36
and for Hcf, we take the smallest powers of common numbers...
Here, hcf(36,12,18)=2¹*3¹=6
Therefore, your answer is
lcm(36,12,18)=36 &
hcf(36,12,18)=6
36=2*2*3*3
12=2*2*3
18=2*3*3
Now, for LCM, we take the greatest power of common numbers multiplied with each other along with the numbers left that are uncommon...
Here, lcm(36,12,18)= 2²*3²=4*9=36
and for Hcf, we take the smallest powers of common numbers...
Here, hcf(36,12,18)=2¹*3¹=6
Therefore, your answer is
lcm(36,12,18)=36 &
hcf(36,12,18)=6
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