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GCF & LCM Calculator

Find greatest common factor and least common multiple

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First number

Second number

Related Lessons

Factors and Multiples

Greatest Common Factor (GCF)

Least Common Multiple (LCM)

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<iframe src="https://mathorio.com/en/embed/gcf-lcm-calculator" title="GCF &amp; LCM Calculator" width="100%" height="580" style="max-width:720px;border:1px solid #e5e7eb;border-radius:12px" loading="lazy"></iframe>
<p style="font-size:13px;margin:4px 0 0"><a href="https://mathorio.com/en/tools/gcf-lcm-calculator">GCF &amp; LCM Calculator</a> by <a href="https://mathorio.com/en">Mathorio</a></p>

Keep the link under the tool, it tells your students where the tool comes from.