The greatest number of orange beads and blue beads bracelets will be 6.
Step-by-step explanation:
Here you find the largest factor shared by the two numbers : 72 and 78. This is the same as finding the G.C.F of a set of numbers.In finding the greatest common factor, list the prime factor of each number and multiply the factors that both numbers have in common. In this case, it will be:
   72       78  --------------divided by 2
2 Â Â 36 Â Â Â Â Â Â 39 Â --------------divided by 3
3 Â Â 12 Â Â Â Â Â Â Â 13 Â --------------no common divider
The greatest number of orange beads and blue beads bracelets will be 2*3=6
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Keywords : greatest number