Divisibility and Factors
ISEE Middle Level Quantitative Reasoning · Flashcards · Application
ISEE MIDDLE LEVEL QUANTITATIVE REASONING · FLASHCARDS
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QUESTION
Identify whether
378
378
378
is divisible by
3
3
3
.
QUESTION
Identify whether
9
,
135
9,135
9
,
135
is divisible by
5
5
5
.
QUESTION
What is the greatest common factor (GCF) of
18
18
18
and
24
24
24
?
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ANSWER
6
6
6
. Prime factors: 18=2×3², 24=2³×3, so GCF=2×3=6.
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