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Find numbers of ordered triplets (a, b, c) of positive integers for which LCM (a, b)=1000 LCM(b, c)=2000 and LCM (c, a)=2000

Shivam Raina , 9 Years ago
Grade 11
anser 2 Answers
Gundeep Singh
I think there are 7 ×10= 70 triplets of (a,b,c) .but i am not completely sure..pls correct me if i m wrong.
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Last Activity: 9 Years ago
Shivam Raina
The answer is given as 84 but i think the answer is wrong because everyone calculated 70 but can u explain it briefly
Last Activity: 9 Years ago
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