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What number has exactly 3 prime factors?
There are an infinite number of them. 8 has three prime factors, 30 is the first with three distinct prime factors.
What numbers with exactly 3 factors are?
A number has exactly three factors if and only if it is the square of a prime number.
A number that has exactly three factors?
A square of any prime number, p has exactly three factors. They are 1, p and p^2.
What are all the numbers less than 100 with exactly 3 factors that are prime?
By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.
Which number has exactly three different prime factors?
30
What are five prime numbers that have three factors and what are their similarities?
There are no prime numbers with three factors. By definition, a prime number has exactly two factors - 1 and itself.
What numbers have exactly 3 different prime factors?
There are an infinite number of them. 8 has three prime factors, 30 is the first with three distinct prime factors.
What number between 40 and 60 has exactly three factors?
All prime squares have exactly three factors.49 has exactly three factors: 1, 7, and 49.
What is the number that is less than 160 has exactly three different prime factors what is the number?
How about 105 whose prime factors are 3, 5 and 7
Why is 25 NOT prime?
A prime number has exactly two factors, one and itself. 25 has three factors: 1, 5, and 25.
What is a whole number greater than 1 that is exactly two factors?
Any composite number. Examples: 4 and 9 . . . (three factors) 6, 8, and 10 . . . (four factors) 12 . . . (six factors) 60 . . . (twelve factors)
What is the largest 2 digit number with exactly 3 factors?
The largest two-digit number with exactly three factors is 99. A number has exactly three factors if it is the square of a prime number, specifically in the form ( p^2 ) where ( p ) is a prime. The only prime number whose square is a two-digit number is 7, since ( 7^2 = 49 ) and ( 11^2 = 121 ) exceeds two digits. Thus, 49 is the largest two-digit number with exactly three factors.
