798
6 * 38 = 228
21 multiplied by 27 is 567.
37 multiplied by 21 is 777
1 x 38, 2 x 19 = 38
81 multiplied by 38 is 3,078.
16 x 38 = 608
4,000 multiplied by 38 is 152,000.
38 x 170 = 6460
factoring 21=3*7 38=2*19 37=1*37 17=1*17 no common factors so LCM is simply all of thes multiplied together 501,942
21 multiplied by 50 is 1,050.
171
38.