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Four Digit Trial (
Posted on 20140605
)
N is a 4digit positive integer such that the sum of the four digits of N equals the product of the first two digits of N and also equals the product of the last two digits of N.
Find all N's and prove there are no others.
No Solution Yet
Submitted by
K Sengupta
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Subject
Author
Date
Finding all N's
Ady TZIDON
20140606 04:33:13
Noncomputer solution
tomarken
20140605 17:19:25
computer solution
Charlie
20140605 16:41:56
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