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4096 is the smallest one. Since the number of factors depends on the exponents of the prime factors, plus one, multiplied together, the set of numbers that meets the requirements are of the form:
p12, where p is a Prime number.
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What is the least positive integer that has exactly 13 factors?
4096 is the smallest number with exactly 13 factors. (Including 1 and itself as factors).192 is the smallest number with exactly 13 properfactors, (excluding the number itself).120 is the smallest number with at least 13 factors (it has 16 factors)To find the smallest number with exactly N factors (for example, N=12):Factor N into primes, (for example, 12= 2*2*3Subtract 1 from each of the prime factors (for example, 1,1,2)Sort them by largest first (for example, 2,1,1)Raise successive prime numbers to these powers (for example, 2^2,3^1,5^1)Multiply these together (for example: 4*3*5 = 60; 60 is the smallest number with exactly 12 factors).
What number is greater than 150 and has exactly three different factors?
Any square of a prime number 13 or greater, like 169.
A number that has exactly two factors?
A prime number has exactly two 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.
Is 143 composite?
143 is composite because it has more than 2 factors. Any number with exactly 2 factors (1 and the number itself) is prime. The factors of 143 are 1, 11, 13, and 143.
What is the smallest number that has exactly 13 factors?
4096
What is the least positive integer that has exactly 13 factors?
4096 is the smallest number with exactly 13 factors. (Including 1 and itself as factors).192 is the smallest number with exactly 13 properfactors, (excluding the number itself).120 is the smallest number with at least 13 factors (it has 16 factors)To find the smallest number with exactly N factors (for example, N=12):Factor N into primes, (for example, 12= 2*2*3Subtract 1 from each of the prime factors (for example, 1,1,2)Sort them by largest first (for example, 2,1,1)Raise successive prime numbers to these powers (for example, 2^2,3^1,5^1)Multiply these together (for example: 4*3*5 = 60; 60 is the smallest number with exactly 12 factors).
What number after 22 has exactly four factors?
Try 26 whose factors are: 1, 2, 13 and 26
What number is greater than 150 and has exactly three different factors?
Any square of a prime number 13 or greater, like 169.
A number that has exactly two factors?
A prime number has exactly two factors.
What number has exactly two factors the number itself and 1?
3 5 7 11 13 17 19
Is 13 A factor of 52?
Yes, a factor is a number that can be divided exactly into another number with no remainder.
How is 131079 number?
131079 is a composite number; its factors are 1, 3, 13, 39, 3361, 10083, 43693, and 131079. A prime number has exactly two factors, 1 and the number itself.
What is a number greater than 1000 with exactly four prime factors?
3315 has four prime factors they are 3, 5, 13, and 17
Does 13 have exactly one factor other than 1 and itself?
No, being a prime number it only has two factors - 1 & 13.
What number has exactly 24 factors?
Well, If we looked at this way: (224) = 16777216, so this number has exactly 24 factors. (324) = 282429536481, so this number has exactly 24 factors. (510)(210)(34) = 810000000000, so this number has exactly 24 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.
