153,166 views
38 votes
38 votes
How many numbers less than 51 are a product of two different prime numbers?

User Dhritiman Roy
by
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2 Answers

10 votes
10 votes
13 or 17







need to add more
User Shai Levy
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3.1k points
13 votes
13 votes
two numbers which are 13 and 17
User DShah
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2.8k points