perplexus.info :: Just Math : Missing digits

Missing digits (Posted on 2004-09-04)

Multiplying three consecutive even numbers gives 87*****8, where each "*" stands for a digit. What are the missing numbers?

See The Solution Submitted by Federico Kereki

Rating: 2.2857 (7 votes)

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Answer

| Comment 3 of 9 |

The cube root of 87000008 is a bit greater than 443, and that suggests trying out 444, which produces 442x444x446=87526608.

Posted by Oskar on 2004-09-04 18:47:50

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