How to take lcm in a shortcut method for this ....with explanation
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hey
Make factor trees for both numbers… for example, 816 and 936. This can be started by dividing by the small prime numbers.
Make factor trees for both numbers… for example, 816 and 936. This can be started by dividing by the small prime numbers.
We find that 816=2*2*2*2*3*17, and 936=2*2*2*3*3*13.
so
1312 718 416 lcm is 6123104
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harishmajp:
No , I need lime cross multiplying
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