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Because there are 50 natural numbers, there are indeed only three prime factors, and this should be about 5.
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According to your description, there are three prime factor numbers in such a natural number, and there should be 8.
We can judge what such numbers are based on such characteristics.
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There are 10 numbers with three prime factors.
To be precise, there is no such thing as a number with only three prime factors.
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There are three prime numbers within 1-50, including 50 natural numbers, which means that these numbers are prime numbers, and this prime number is multiplied by prime numbers, plus prime numbers are prime numbers.
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If there are many prime numbers within 50, of course. Say any three. 3,5,7
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If you want to say, the main natural number within 50, of course, is to make 1 to 50, and then let the number out.
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Even if I open my eyes to this for the time being, I think this is still very unacceptable, knowing his nature, so this should be able to express those emotions.
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I'm a little sure how many factors there are for 9993 prime numbers in 50 three, and you can give this according to the definition of prime numbers of this prime number first.
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If I'm not mistaken, there are generally about three, and I hope it can help you and wish you a happy life.
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According to the inscription column, it is calculated as follows:
There are 4 of them. Including:
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Within 1-50, including 50 natural numbers, there are only three factors in the enterprise to refer to this does not understand.
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Within 1 to 50, including numbers with 50 intelligent numbers and only three prime numbers, there should be many of them.
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Let's start with a list of prime factors that can be used as composite numbers within 50.
Because 2*2*13=52>50, the maximum factor is 13.
From this, it is possible to list the numbers that contain and have only three prime factors:
There are 11 in total.
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According to the rule of prime factors, they are 2 squared, 3 squared, 5 squared, and 7 squared.
That is.
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Generally, the number of prime factors of natural numbers is an even number, and only the number of prime factors of a perfectly squared number will be an odd number. There are seven perfect squares within 50, of which only the prime factor number is three.
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There are only three prime factors within <>50.
There are two numbers, 30 and 42;
30 of the difference in the quality factor line Hu is; Reading with skin.
The prime factor of 42 is ;
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In the natural numbers, within 50 is both the key rock answer and the odd number, there are 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, a total of 14.
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If a natural number has exactly the causal impulse source, then it may be to the power of the 5th power of a prime number, or the product of the square of a prime number and another prime number.
The natural numbers in this problem contain prime factors 3 and 5, so the former case can be ruled out.
Therefore, within 100, the number of eligible people has a repentance judgment of rent, that is, 45 and 75.
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After the decomposition of a natural auspicious segment n there are quality and chong chong factors 3 and 5, indicating that n has a factor to judge the tease: 1, 3, 5, 15, a, b
1,3,5,15,a,b in descending order, may:
1)1,3,5,15,a,b : n=1*b=3*a=5*15=752)1,3,5,a,15,b : n=1*b=3*15=5*a=453)1,3,5,a,b,15:
n does not exist. A natural number has six factors, and after decomposition, there are prime factors 3 and within the conditions of 45 and 75
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Summary. The largest prime number is 49
What is the largest prime number and what is the smallest composite number among natural numbers within 50?
The largest prime number is 49
The largest prime number is 47
The smallest composite number is 4
49, in addition to the two factors of 1 and 49, there is also a factor of 7.
A prime number is a factor that has no other factor than the sum itself.
A composite number is a factor that has something other than a sum itself.
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First of all, a number with an odd number of factors can only be perfectly squared!
And there are only 3 factors, which means that this number must be the square of a prime number!
Therefore, the number within 100 that satisfies the condition is 2 2, 3 2, 5 2, 7 2; There are only four.
The largest of these is 7 2 = 49
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Among the natural numbers within 100, there are only 3 factors of numbers: 4 are:
There are 4 factors
There are 9 factors and 25 factors are
There are 49 factors
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4,9,25,49)
That is, the square of the prime numbers 2, 3, 5, 7.
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