Add five to lcm

The least number, which, when diminished by 5, is divisible by each of 21, 28, 36, and 45.

Correct answer:

n =  1265

Step-by-step explanation:

n = 5+d d = n5 d  21  28  36  45  21=37 28=227 36=2232 45=325 LCM(21,28,36,45)=223257=1260  d=LCM(21,28,36,45)=1260  n=5+d=5+1260=1265

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