Asked by sai

Cruz and his friend, Penny need to determine what numbers are prime and what numbers are composite for homework assignment. Cruz says that the number 5 is a composite number because it has the factors 2 and 2.5. Explain what is wrong with his reasoning

Answered by drwls
Composite numbers are th products of integers other than one.

2.5 is not an integer.

Integers are whole numbers.
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