Question

The set of integers under ordinary multiplication is not a group because,​

Answer 1

Step-by-step explanation:

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Answer 2

A group is an algebraic structure where a binary operation in a group G satisfies the following properties:

1. Closure Property

2. Associative Property

3. Existence of Identity

4. Inverse Property

The set of integers under multiplication is not a group, because it does not satisfy Inverse Property.