Question

Primo
factorisation
of 45470971
steps and explanation
​

Answer 1

above are 2 examples....

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Answer 2

$\begin{array}{r|l}7& 45470971 \\ \cline{1-2} 7 & 6495853 \\ \cline{1-2} 13 & 927979 \\ \cline{1-2} 13 & 71483 \\ \cline{1-2} 17 & 5491 \\ \cline{1-2} 17 & 323 \\ \cline{1-2} 19 & 19 \\ \cline{1-2} 1&1 \end{array}$

Hence the factors of 45470971 are :

$\underbrace{ 7 \times 7} \times {\underbrace{13 \times 13}} \times {\underbrace{17 \times 17}} \times 19$

= 7² × 13² × 17² × 19

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⇢Prime factors of any number are those prime numbers with which the original number is perfectly divided .

⇢The multiplication of all the prime factors of a number gives the number itself .

⇢This method can be used to find Lowest Common Multiple and Highest Common Factor .