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OpenStudy (anonymous):
Give prime factorisations of 432 and 522.
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OpenStudy (jack1):
2x2x2x2x3x3x3
OpenStudy (jack1):
and... 2x9x29
OpenStudy (anonymous):
oh do you do the factor tree
OpenStudy (jack1):
no, i just keep hitting divide and see what im left with and what its factors are the firs one was easy 2nd one took a little longer if you want to get methodical about it though you should find all of the first order factors of each number, then further split each that you can down to prime numbers
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