Decompose

Decompose into primes and find the smallest common multiple n of (16,20) and the largest common divisor D of the pair of numbers (140,100)

Correct result:

n =  80
D =  20

Solution:

16=24 20=22⋅5 LCM(16,20)=24⋅5=80  n=LCM(16,20)=80
140=22⋅5⋅7 100=22⋅52 GCD(140,100)=22⋅5=20  D=GCD(140,100)=20

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