What is the square root of 28 in simplified radical form?

The factors of 28 are 1, 2, 4, 7, 14, and 28. Furthermore, the greatest perfect square on this list is 4 and the square root of 4 is 2. 28 divided by the greatest perfect square from the list of all factors of 28 is 4 28 divided by 4 is 7.

28 has prime number factorization

28 = 2 ⋅ 2 ⋅ 7 = 2 2 ⋅ 7 , 28=2⋅2⋅7=22⋅7,

√28 = 2√7

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