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The largest perfect square factor of 40 is 4. A perfect square is a number that can be expressed as the product of an integer with itself, such as 4 (2 x 2) or 9 (3 x 3). In the case of 40, the prime factorization is 2 x 2 x 2 x 5. Since the largest perfect square factor must consist of pairs of the same prime factors, the largest perfect square factor of 40 is 2 x 2 = 4.

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9y ago

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Q: What is the largest perfect square factor of 40?
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