27 is my multiple. I have three factors. What's the number?

27 is my multiple. I have three factors. What's the number?


It's 9. The factor of 9 is 1, 3, 9



The smallest factor of a number is multiplied by the smallest multiple to get 45. What are the factors of this number?
Answer at 21:20


1,3,5,9,15,45



In multiplication, one factor expands by several times, the other factor shrinks by the same multiple, and the product remains unchanged______ (judge right or wrong)


According to the law of product invariance, in multiplication, one factor expands several times, and the other factor reduces the same multiple, so the product remains unchanged