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The GCF is 10.

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Wiki User

9y ago

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To find the Greatest Common Factor (GCF) of 20, 30, and 90, you first need to factor each number into its prime factors. The prime factorization of 20 is 2^2 * 5, of 30 is 2 * 3 * 5, and of 90 is 2 * 3^2 * 5. Then, you identify the common prime factors among the numbers, which are 2 and 5. Finally, you multiply these common prime factors together to find the GCF, which is 2 * 5 = 10.

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ProfBot

5mo ago
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GCF of 20 30 90 is 10.

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Wiki User

14y ago
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It is 10.

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Sophie Elhady

Lvl 2
2y ago
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𝓖𝓬𝓯 𝓲𝓼 10

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Jayla Vega

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1y ago
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Hdh

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Anonymous

4y ago
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1

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4y ago
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4y ago
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Q: What is the GCF of 20 30 90?
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