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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.
Which number has exactly 15 factors?
The number that has exactly 15 factors is 28. To determine the number of factors a number has, you can prime factorize the number and then add 1 to each exponent in the prime factorization and multiply these numbers together. In the case of 28, the prime factorization is 2^2 * 7^1, so the number of factors is (2+1) * (1+1) = 3 * 2 = 6. To have exactly 15 factors, the number needs to be a square of a prime number, so 28 = 2^2 * 7^1 fits this criteria.
Which number has exactly 7 factors?
64
What are the factors and prime factors of 7?
Seven is a prime number. A prime number has only itself and 1 as factors. So the factors of seven are 1 and 7. 1 and 7
Is 7 prime or composite?
7 is a prime number because it is only divisible by 1 and 7.
Has exactly two factors?
A number that has exactly two (positive) factors is called a prime number. For instance, the only factors of 7 are 1 and 7.
What number has exactly 7 different prime factors?
510510
What number has only 7 factors?
There are an infinite number of integers with "only 7 factors". Any number which is the product of exactly 7 prime numbers.
What number has 7 factors exactly?
Any number that is the 6th power of a prime integer.
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
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 number has exactly 5 prime factors?
As a product of its prime factors: 2*3*5*7*11 = 2310 is one example
Which number has exactly 15 factors?
The number that has exactly 15 factors is 28. To determine the number of factors a number has, you can prime factorize the number and then add 1 to each exponent in the prime factorization and multiply these numbers together. In the case of 28, the prime factorization is 2^2 * 7^1, so the number of factors is (2+1) * (1+1) = 3 * 2 = 6. To have exactly 15 factors, the number needs to be a square of a prime number, so 28 = 2^2 * 7^1 fits this criteria.
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.
What is the name of a whole number that has exactly two factors?
A whole number that has exactly two factors is called a prime number. There are several examples of prime numbers, such as 3, 5, 7, 11, 13, 17, and 19. These are just a few of the thousands of prime numbers.
Which number has exactly 7 factors?
64
What are the factors and prime factors of 7?
Seven is a prime number. A prime number has only itself and 1 as factors. So the factors of seven are 1 and 7. 1 and 7
