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Subject :IMO    Class : Class 5

The natural number which is a factor of every number is ________.

CThere is no such number
DThe number itself

This is not accepted as you are changing my answers when i review my test. so please....... Help!

Ans 1:

Class : Class 6
Be sure that you are clear and tell me the version of your computer as a question in general subject right now. also you can send it as an answer in this post

Ans 2:

Class : Class 8

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