Prime and Composite Numbers
SSAT Middle Level Quantitative · Flashcards · Application
SSAT MIDDLE LEVEL QUANTITATIVE · FLASHCARDS
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QUESTION
Identify whether
91
91
91
is prime or composite.
QUESTION
Identify whether
57
57
57
is prime or composite.
QUESTION
Identify whether
997
997
997
is prime or composite.
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ANSWER
997
997
997
is prime. 997 has no divisors among primes up to
997
≈
31.6
\sqrt{997} \approx 31.6
997
≈
31.6
, verifying it as prime.
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