Find the largest prime factor of 3 12 + 2 12 -2.6 6 ?
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N = 3¹² + 2¹² - 2 * 6⁶
= (3⁶)² + (2⁶)² - 2 * 2⁶ * 3⁶
= (3⁶ - 2⁶)²
= [ (3³ - 2³) (3³ + 2³) ]²
= (19 * 35)²
= 19² * 7² 5²
Largest prime factor = 19
= (3⁶)² + (2⁶)² - 2 * 2⁶ * 3⁶
= (3⁶ - 2⁶)²
= [ (3³ - 2³) (3³ + 2³) ]²
= (19 * 35)²
= 19² * 7² 5²
Largest prime factor = 19
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