2021 Fall AMC 10B Problems/Problem 8
Problem 8
The largest prime factor of is
, because
. What is the sum of the digits of the largest prime factor of
?
Solution 1
We have
Since
is prime, our answer is
.
~kingofpineapplz
The largest prime factor of is
, because
. What is the sum of the digits of the largest prime factor of
?
We have
Since
is prime, our answer is
.
~kingofpineapplz
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