Question

3.
Which is the smallest factor of 15?




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Answer 1

Answer:

The factors of 15 are 1, 3, 5 and 15. Now, as 1 is neither prime and nor a composite number (1 is not Prime because for a number to be a prime, it should have exact 2 factors i.e. 1 and itself, but 1 has only one factor. Therefore 1 is not prime

Answer 2

5 is the smallest factor...

i think u understand..