The prime factorisation of $150$ isFind the missing number.

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Solution

The correct option is A 5
By Ladder Method:

Divide 150 by 2: Quotient = 75 with zero remainder,
Divide 75 by 3: Quotient = 25 with zero remainder,
Divide 25 by 5: Quotient = 5 with zero remainder
Then, prime factorization of $150 = 2 \times 3 \times 5 \times 5$

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