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Earn +20 ptsQ: What are the numbers in the factor tree for 81?
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Make a factor tree for 81?
9x9=81. Proving that one of the factor trees for 81 is 9xp.
Name a pair of numbers whose Greatest Common Factor is one of the numbers in the pair?
27 and 81 are a possibility. Also numbers like 5 and 10, 20 and 40.
What is the factor tree for 87?
873 x 29Since both 3 and 29 are prime numbers, the factor tree is complete.
What is the factor tree of 21?
3x7=21 3 and 7 are prime numbers, so 3x7 is the factor tree of the number 21.
How do you know whena factor tree is completed?
All the numbers are prime
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