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Original
2026-01-01
Modified
2026-02-28
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<p>The factor tree is the graphical representation of breaking down any number into prime factors. The following step shows </p>
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<p>The factor tree is the graphical representation of breaking down any number into prime factors. The following step shows </p>
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<p><strong>Step 1:</strong>Firstly, 1980 is divided by 2 to get 990.</p>
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<p><strong>Step 1:</strong>Firstly, 1980 is divided by 2 to get 990.</p>
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<p><strong>Step 2:</strong>Now divide 990 by 2 to get 495.</p>
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<p><strong>Step 2:</strong>Now divide 990 by 2 to get 495.</p>
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<p><strong>Step 3:</strong>Then divide 495 by 3 to get 165.</p>
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<p><strong>Step 3:</strong>Then divide 495 by 3 to get 165.</p>
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<p><strong>Step 4:</strong>Divide 165 by 3 to get 55.</p>
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<p><strong>Step 4:</strong>Divide 165 by 3 to get 55.</p>
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<p><strong>Step 5:</strong>Divide 55 by 5 to get 11. Here, 11 is the smallest prime number, that cannot be divided anymore.</p>
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<p><strong>Step 5:</strong>Divide 55 by 5 to get 11. Here, 11 is the smallest prime number, that cannot be divided anymore.</p>
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<p>So, the prime factorization of 1980 is: 2² × 3² × 5 × 11.</p>
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<p>So, the prime factorization of 1980 is: 2² × 3² × 5 × 11.</p>
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<p>Factor Pairs Two numbers that are multiplied to give a specific number are called factor pairs. Both positive and negative factors constitute factor pairs.</p>
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<p>Factor Pairs Two numbers that are multiplied to give a specific number are called factor pairs. Both positive and negative factors constitute factor pairs.</p>
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<p>Positive factor pairs of 1980: (1, 1980), (2, 990), (3, 660), (4, 495), (5, 396), (6, 330), (9, 220), (10, 198), (11, 180), (12, 165), (15, 132), (18, 110), (20, 99), (22, 90), (30, 66), (33, 60), (36, 55), (44, 45).</p>
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<p>Positive factor pairs of 1980: (1, 1980), (2, 990), (3, 660), (4, 495), (5, 396), (6, 330), (9, 220), (10, 198), (11, 180), (12, 165), (15, 132), (18, 110), (20, 99), (22, 90), (30, 66), (33, 60), (36, 55), (44, 45).</p>
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<p>Negative factor pairs of 1980: (-1, -1980), (-2, -990), (-3, -660), (-4, -495), (-5, -396), (-6, -330), (-9, -220), (-10, -198), (-11, -180), (-12, -165), (-15, -132), (-18, -110), (-20, -99), (-22, -90), (-30, -66), (-33, -60), (-36, -55), (-44, -45).</p>
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<p>Negative factor pairs of 1980: (-1, -1980), (-2, -990), (-3, -660), (-4, -495), (-5, -396), (-6, -330), (-9, -220), (-10, -198), (-11, -180), (-12, -165), (-15, -132), (-18, -110), (-20, -99), (-22, -90), (-30, -66), (-33, -60), (-36, -55), (-44, -45).</p>
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