Asked by marko

what is the least number of dancers that are needed if a choreographer wants to arrange them in groups of 4,5, or 6 with none left?

im not understanding the question. can you help?
Answered by Ms. Sue
You're looking for the greatest common multiple of 4, 5, and 6

Which of these multiples of 6 is also a multiple of 4 and 5?

6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72

Answered by marko
60
Answered by Ms. Sue
Right.

Answered by marko
so the least number of dancers that are needed for groups of 4,5,6 is
60