Question

Write 315 as a product of primes.
Use index notation when giving your answer

Answer 1

Answer:

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the prime factors of 315 are 3, 5, 7. Therefore, the product of prime factors = 3 × 5 × 7 = 105.

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Answer 2

Given:

Write 315 as a product of primes.

Use index notation when giving your answer

Solution:

Write 315 as a product of primes.

$\[315 = 3 \times 3 \times 7 \times 5\]$

Use index notation,

$\[ \Rightarrow 315 = {3^2} \times {7^1} \times {5^1}\]$

Hence, the prime factorization of 315 using index notation is $\[{3^2} \times {7^1} \times {5^1}\]$.