4, Lesson 23, Unit 3, Grade 4, EngageNY icon
Application Problem

Prime or composite?

Lesson 23. Unit 3. Grade 4 EngageNY

EngageNY5 min(s)

This Application Problem is a part of the Lesson 23, Unit 3, Grade 4. Sasha says that every number in the twenties is a composite number because 2 is even. Amanda says there are two prime numbers in the twenties. Who is correct? How do you know?

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