Mathematics: (a.) what is the gcf of 33 and 42 using prime factors? (b.) what is the gcf of 72 and 30 by dividing by prime factors? (c.) what is the gcf of 27, 76, and 34 by making a list of factors?

(a.) what is the gcf of 33 and 42 using prime factors? - id33422171139, supersquad907p2m3vo

Ответ:

isabellesmith51317

01.01.2022

$(a)\\33|\fbox3\\11|11\\.\ 1|\\---------\\42|2\\21|\fbox3\\.\ 7|7\\.\ 1|\\----------\\GCF(33;\ 42)=3$

$(b)\\2\underline{|72\ \ \ \ \ 30}\\.3\underline{|36\ \ \ \ \ 15}\\...\underline{|12\ \ \ \ \ \ 5}\\\\GCF(72;\ 30)=2\times3=6$

$(c)\\factors\ of\ 27:\ \fbox1;\ 3;\ 9;\ 27\\\\factors\ of\ 76:\ \fbox1;\ 2;\ 4;\ 19;\ 38;\ 76\\\\factors\ of\ 34:\ \fbox1;\ 2;\ 17;\ 34\\\\GCF(27;\ 76;\ 34)=1\\\\The\ numbers\ 27;\ 76\ and\ 34\ are\ coprime\ numbers.$

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Ответ:

kingdesto6646

02.08.2022

Mathematics

8^3X3Y

hope it helps !

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(a.) what is the gcf of 33 and 42 using prime factors?
(b.) what is the gcf of 72 and 30 by dividing by prime factors?
(c.) what is the gcf of 27, 76, and 34 by making a list of factors?

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