any 6 noumbers from a 6x6 ray have equal product
Source: 2001 Swedish Mathematical Competition p1
March 21, 2021
algebraProduct
Problem Statement
Show that if we take any six numbers from the following array, one from each row and column, then the product is always the same: 4 6 10 14 22 26
6 9 15 21 33 39
10 15 25 35 55 65
16 24 40 56 88 104
18 27 45 63 99 117
20 30 50 70 110 130