Question

find the least number by which the following must be divided to make them perfect square. Also find the new number i:16562​

Answer 1

by prime factorisation method

16562÷2=

8281÷7=

1183÷7=

169÷13=

13÷13=

1

16562=2×7×7×13×13

we observe that after making the pair of two only 2 is left alone .

so therefore 16562 should be divided by 2

16562÷2=8281

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