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64
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What is a number that has exactly 7 prime factors?
510510
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.
A number that has exactly two factors?
A prime number has exactly two factors.
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 numbers with exactly 3 factors are?
A number has exactly three factors if and only if it is the square of a prime number.
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 is the second number with 7 factors?
729 is the second number with exactly 7.
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 is the least number that has exactly 7 factors?
64 is the least number having exactly 7 factors: 1, 2, 4, 8, 16, 32, and 64.
What is a number that has exactly 7 prime factors?
510510
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 7 different prime factors?
510510
What is a 2-digit number with exactly 7 factors?
64
What number has 7 factors exactly?
Any number that is the 6th power of a prime integer.
What is the smallest natural number with exactly 7 factors?
It is 2^6 = 64.
What number divides exactly in to 14 and 35?
Their common factors are 1 and 7 .
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.
