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For any positive integer n, the length of n is defined as the number of prime factors whose product is n. For example, the length of 75 is 3, since 75 = 3 × 5 × 5. How many two-…

For any positive integer n, the length of n is defined as the number of prime factors whose product is n. For example, the length of 75 is 3, since 75 = 3 × 5 × 5. How many two-…
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For any positive integer n, the length of n is defined as the number of prime factors whose product is n. For example, the length of 75 is 3, since 75 = 3 × 5 × 5. How many two-digit positive integers have length 6 ?

User Blackle Mori
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3 votes

Answer:

is it zero numbers? 6 is not a prime number, and cannot be included in length values

User Waad Mawlood
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