Question

Square roots prime factorisation of 441

Answer 1

The answer is 21 of number 441 please check

Answer 2

Answer:

441 can be written as : 3 × 3 × 7 × 7

=

${3}^{2} + {7}^{2}$

make pair means take one from each

= 3 × 7

= 21

Step-by-step explanation:

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