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Of the numbers up to 50, 48 has the most factors because none of the others have more.

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Q: What number up to 50 has the most factors and why?

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39 is a composite number whose proper factors add up to 16.

To find out if a number is a square number, find its prime factors and check if all prime factors duplicate. In this example, the prime factors are: 2,2,5,5,5,5 We can see that all numbers are duplicates, and can be paired up. So 2500 is a square number of 2x5x5 or 50.

I believe you are thinking of a prime number. Ex. The factors of 2 are 1 and 2. The factors of 13 are 1 and 13.

It is called a perfect number.

1*31 It is a prime number

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Of the numbers up to 50, 48 has the most factors.

Every number up to 50 is a factor - of itself.

48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

You cannot know it because it is not true. 24, for example, has more factors than 50.

39 is a composite number whose proper factors add up to 16.

As 2 is the smallest prime number the number less than 50 that has the most factors can't have more than 5 factors cause 2^5=32 and 2^6=64. So we're searching for a number with at most 5 factors As sqrt(50) = 7.07..., the biggest factor can't be more than 7 The problem is then find pi (prime numbers) such that p1p2p3p4p5<50 and pi are not necessary different and pi <=7 We already know that 25 will do 24x3 will also do 24x5 won't 24x7 won't 23x32 > 50 22x33 > 50 2x34 > 50 35 > 50 34 > 50 following the same calculations with powers of 5 or 7 shows that there are no more solution The solutions are 25 and 24x3

The answer is 50 because its factors are 1,2,5,10,25,50. When you add up the sum of 50 you get 5 which is a prime number. Also it is between 44 and 53. :)

180

To find out if a number is a square number, find its prime factors and check if all prime factors duplicate. In this example, the prime factors are: 2,2,5,5,5,5 We can see that all numbers are duplicates, and can be paired up. So 2500 is a square number of 2x5x5 or 50.

51

If you include 1 as a proper factor, the answer is 64.

You can factor 540 into prime factors. Then, for each prime factor that doesn't appear 3, 6, 9, ... times, add additional factors to complete a multiple of 3. These factors will make up the number "k".