20

20 has factors of 2 and 10.

2⋅10

10 has factors of 2 and 5.

2⋅2⋅5

2⋅2⋅5

Since 20 has factors other than 20 and 1, 20 is a composite number.

20 is a composite number

Determine if Prime or Composite 20

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# Determine if Prime or Composite 20

20

20 has factors of 2 and 10.

2⋅10

10 has factors of 2 and 5.

2⋅2⋅5

2⋅2⋅5

Since 20 has factors other than 20 and 1, 20 is a composite number.

20 is a composite number

Determine if Prime or Composite 20