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Giant sum of products (Posted on 2020-12-26) Difficulty: 3 of 5
Jim calculated the product of the non zero digits of each integer from 1 to 102020 and then he summed these 102020 products. Which number did he obtain?

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
explanationSteven Lord2020-12-27 09:33:39
Suspected answer without explanationLarry2020-12-26 14:43:27
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