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How many numbers less than 51 are a product of two different prime numbers?
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3 votes
How many numbers less than 51 are a product of two different prime numbers?

User Ggomeze
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2 Answers

6 votes
13 or 17







need to add more
User Alfi
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8.1k points
10 votes
two numbers which are 13 and 17
User Jmbucknall
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