6+ Questions Number Systems: Common Factors and Multiples #NumberSystems #grade6 #math. Find the #greatestcommonfactor of two whole numbers less than or equal to 100 and the #leastcommonmultiple of two whole numbers less than or equal ... What is the least common multiple of 6 and 8? 48 24 2 12 What is the greatest common factor of 64 and 28? 64 8 4 128 Factors are numbers that are multiplied together to obtain a given number. True False Bus #1 arrives every 15 min. #2 arrives every 25 min.How often do they arrive at the same time? every 5 minutes every 25 minutes every 60 minutes every 75 minutes What is the LCM of 6, 9, and 10? 90 180 81 60 … and 7 more awesome questions! Check them out by clicking “Play”.