SQUARE ROOT 441 BY PRIME FACTORIZOFATION
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441=3×147
147=3×49
49=7×7
7=7×1
hence 441=3×3×7×7
square root of 441=3×7=21
147=3×49
49=7×7
7=7×1
hence 441=3×3×7×7
square root of 441=3×7=21
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