Problem B. 4653. (October 2014)
B. 4653. How many ordered triples of positive integers \(\displaystyle a\), \(\displaystyle b\), \(\displaystyle c\) are there for which \(\displaystyle [a,b,c]=10!\) and \(\displaystyle (a,b,c)=1\)? (\(\displaystyle (a,b,c)\) denotes the greatest common divisor, and \(\displaystyle [a,b,c]\) denotes the least common multiple.)
(4 pont)
Deadline expired on November 10, 2014.
Statistics:
208 students sent a solution. 4 points: 81 students. 3 points: 19 students. 2 points: 37 students. 1 point: 46 students. 0 point: 20 students. Unfair, not evaluated: 5 solutionss.
Problems in Mathematics of KöMaL, October 2014