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Original
2026-01-01
Modified
2026-02-28
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<p>The prime number chart is a tool created by using a method called “The Sieve of Eratosthenes.”</p>
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<p>The prime number chart is a tool created by using a method called “The Sieve of Eratosthenes.”</p>
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<p>In this method, we follow the following steps.</p>
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<p>In this method, we follow the following steps.</p>
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<p><strong>Step 1:</strong>Write 1 to 100 in 10 rows and 10 columns.</p>
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<p><strong>Step 1:</strong>Write 1 to 100 in 10 rows and 10 columns.</p>
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<p><strong>Step 2:</strong>Leave 1 without coloring or crossing, as it is neither prime nor composite.</p>
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<p><strong>Step 2:</strong>Leave 1 without coloring or crossing, as it is neither prime nor composite.</p>
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<p><strong>Step 3:</strong>Mark 2 because it is a prime number and cross out all the<a>multiples</a>of 2.</p>
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<p><strong>Step 3:</strong>Mark 2 because it is a prime number and cross out all the<a>multiples</a>of 2.</p>
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<p><strong>Step 4:</strong>Mark 3 because it is a prime number and cross out all the multiples of 3.</p>
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<p><strong>Step 4:</strong>Mark 3 because it is a prime number and cross out all the multiples of 3.</p>
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<p><strong>Step 5:</strong>Repeat this process until you reach the table consisting of marked and crossed boxes, except 1.</p>
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<p><strong>Step 5:</strong>Repeat this process until you reach the table consisting of marked and crossed boxes, except 1.</p>
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<p>Through this process, we will have a list of prime numbers from 1 to 100. </p>
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<p>Through this process, we will have a list of prime numbers from 1 to 100. </p>
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<p>The list is 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97. </p>
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<p>The list is 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97. </p>
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<p>489 is not present in the list of prime numbers, so it is a composite number. </p>
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<p>489 is not present in the list of prime numbers, so it is a composite number. </p>
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