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The number 9 has only one prime factor, 3. What is another number less than 50 with only one prime factor?

The number 9 has only one prime factor, 3. What is another number less than 50 with-example-1
User Paperhorse
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2 Answers

1 vote
The answer is 5 times 3=15
User Papa Burgundy
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5 votes
There is 15. 5x3=15 but nothing else equals 15
User Lemmerich
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