Which number is not a part of prime factor form of 90?

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Solution

The correct option is D
7

The prime factor of 90 = 2 x 3 x 3 x 5.

So, 7 is absent in the prime factor form.

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Q. The number

90

is to be written as a product of its prime factors. Which one of the following is correct?

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Which number is not a part of prime factor form of 90?

The correct option is D 7 The prime factor of 90 = 2 x 3 x 3 x 5. So, 7 is absent in the prime factor form.

The correct option is D
7

The prime factor of 90 = 2 x 3 x 3 x 5.

So, 7 is absent in the prime factor form.