Showing posts with label hundred number square. Show all posts
Showing posts with label hundred number square. Show all posts
Tuesday, 2 July 2013
Friday, 21 December 2012
factor facts
establish, beyond doubt, that there are three pairs of consecutive numbers, less than 100, both of which have exactly 6 factors
find the three trios of consecutive numbers less than 100 all of which have exactly 4 factors
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