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210=1024, which has factors of 2i with i between 0 and 10 inclusive.
Explanation
If the prime factorization of a number is p1a*p2b*p3c...
the number of factors is (a+1)*(b+1)*(c+1)... [because each pi can be raised to the 0, 1, 2,..., up through the exponent, so there are a+1 choices for the exponent of p1, b+1 choices for the p2, etc.]. But because 11 is prime, there can only be one pi that will yield exactly 11 factors [if, for example, there were two prime factors of the number, you would need (a+1)*(b+1)=11 but because 11 is prime, this won't work unless one of a or b is zero] . 2 is the smallest Prime number, and 210=1024 is the smallest whole number with exactly 11 factors.
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What is the least whole number that has exactly 7 factors including 1 and itself?
64
What divides into a whole number exactly?
The number 1 or a factor.
What is a whole number that has exactly two different factors?
a prime number
What is the least whole number with exactly 4 different factors?
If you disregard 1 and the number itself, then 12, with the factors 2, 3, 4 and 6. If you include 1 and the number itself, then 6 with factors 1, 2, 3 and 6.
What is the least whole number that has exactly 9 factors including 1 and itself 9 16 25 6 15 20?
36
What is the least whole number that has exactly five factors including one?
16
What is the least whole number with exactly 2 different factors?
2 (1 and 2)
What is the least whole number that has exactly 7 factors including 1 and itself?
64
A Whole number with exactly two factors 1 and itself?
A prime number is a whole number with exactly two factors: 1 and itself.
What divides into a whole number exactly?
The number 1 or a factor.
What is a whole number that has exactly two different factors?
a prime number
What are factors and primes?
Factors are whole numbers that divide exactly into a whole number. These numbers have no remainder. Primes, on the other hand, have exactly two factors which are 1 and itself.
What is the name for a whole number that has exactly 2 factors?
Prime. The only factors of a prime number are 1 and the number.
Smallest whole number with exactly 11 factors?
1024
What is the least whole number with exactly 4 different factors?
If you disregard 1 and the number itself, then 12, with the factors 2, 3, 4 and 6. If you include 1 and the number itself, then 6 with factors 1, 2, 3 and 6.
What is the least whole number that has exactly 9 factors including 1 and itself 9 16 25 6 15 20?
36
What is a whole number that has exactly two factors 1 and itself?
A prime number
