perplexus.info :: Just Math : Bold Minimum

Bold Minimum (Posted on 2009-12-12)

A positive integer X is defined as a bold number if precisely 8 of its distinct divisors sum to 3240. The total number of divisors of X may or may not be equal to 8.

Determine the minimum positive bold number.

Submitted by K Sengupta

Rating: 4.5000 (2 votes)

Solution: (Hide)

The minimum positive value of the bold number is 1260.
For an explanation, refer to the respective solutions submitted by Justin and Dej Mar here and here.

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*** Based on Brazilian Mathematics Olympiad 2006, Problem 4

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
re(2): solution	Dej Mar	2009-12-13 17:01:43
re(2): solution	Justin	2009-12-12 19:45:08
re: solution	Kenny M	2009-12-12 18:35:58
solution	Dej Mar	2009-12-12 16:50:08

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