Question

1. Write the prime factorisation of the following using division method:-

(a) 90​

Answer 1

Step-by-step explanation:

Prime Factors of 90

Now, we know 5 is a prime number and it has only two factors; 1 and 5. Therefore, we cannot continue with the division method further.

So, the prime factors of 90 are 2 × 3 × 3 × 5 or 2 × 32 × 5, where 2, 3 and 5 are the prime numbers.

Answer 2

Answer:

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