Asked by Darren
Given the following prime factors, determine the original number as well as all of its factors.
2*3*5*7
I know that 2*3*5*7 is 210 but I don't know what to do next.
2*3*5*7
I know that 2*3*5*7 is 210 but I don't know what to do next.
Answers
Answered by
Reiny
your number is 2*3*5*7 = 210
Now for factors take any combination of
single factors --- 4 of them
pairs of factors -- you should find 6 of them
triples of factors --- you should find 4 of them
all of them ---- clearly the number 210 itself
Now for factors take any combination of
single factors --- 4 of them
pairs of factors -- you should find 6 of them
triples of factors --- you should find 4 of them
all of them ---- clearly the number 210 itself
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