How many different primes are in the prime factorization of $87\cdot89\cdot91\cdot93$?
Question:
How many different primes are in the prime factorization of $87\cdot89\cdot91\cdot93$?
Answer:
Let's think step by step.

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How many different primes are in the prime factorization of $87\cdot89\cdot91\cdot93$?
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