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4, 9, 25, 49;

16, 81;

64 and

36.

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โˆ™ 2016-04-02 13:42:25
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โˆ™ 2016-04-02 19:56:25

The composite odd numbers from 9 to 99.

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Q: What are all the numbers less than 100 that have odd proper factors?
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Which numbers less than 100 have even proper factors?

All even numbers greater than 2 have even proper factors, since they all have 2 as a proper factor.


The sum of the proper factors of 4 is less than 4 List all the numbers through 50 for which the sum of its proper factors is one less than the number itself?

The numbers for which the sum of its proper factors is 1 less than the number is the powers of 2; less than 50 these are: 2, 4, 8, 16 & 32.


Which numbers less than 100 have odd proper factors?

Square numbers, like 36 and 64.


What numbers that are less than a hundred have proper factors that are only odd numbers?

The composite odd numbers from 9 to 99.


Is 9 prime?

No 9 is not prime. It's factors are 1,3,9. Proper factors: 1,3. Factors are numbers that are multiplied with other numbers to get a product. Proper factors are factors of a number except for itself. No 9 is not prime. It's factors are 1,3,9. Proper factors: 1,3. Factors are numbers that are multiplied with other numbers to get a product. Proper factors are factors of a number except for itself. Composite numbers are numbers with more than 2 factors and more than 1 proper factor. Prime is the opposite of composite.


Is the number 9 prime?

No 9 is not prime. It's factors are 1,3,9. Proper factors: 1,3. Factors are numbers that are multiplied with other numbers to get a product. Proper factors are factors of a number except for itself. Composite numbers are numbers with more than 2 factors and more than 1 proper factor. Prime is the opposite of composite.


What numbers that have an odd number of factors and are less than 101?

There are 10 numbers less than 101 which have an odd number of factors: 1,4,9,16,25,36,49,64,81,100.


Are mixed numbers less than proper fractions?

No.


What numbers would have less than two factors?

Prime numbers


What is special about numbers less than fifty that have less than three factors?

They all are prime numbers except 1


What number less than 19 has more than 4 factors?

There are a few numbers that are less than 19 and have more than 4 factors. The number 10 is less than 19 and has more than four factors.


How can you determine whether the LCM of two numbers is the product of the numbers or is less than the product of the numbers?

If the two numbers have no prime factors in common, their LCM will be their product. If there are prime factors in common, their LCM will be less than their product.


How many numbers less than 100 have odd factors?

Nine numbers.


How can you determine whether the LCM of two numbers is the product of the numbers or is less than the product of the numbers explain?

If the two numbers have no common factors other than 1, the LCM will be their product. If there are other common factors, the LCM will be less.


How many numbers are there less than thirty have exactly 6 factors?

Four numbers less than thirty, 12, 18, 20, and 28, each have exactly 6 factors.


What numbers are not composite?

The ones with less than three factors.


What two numbers are less than 20 with the most factors?

12 and 18


What are the set of factors less than 6?

All of the numbers less than six can be factors, and all integers have a least one factor that is less than six. Here's a set of factors less than 6: (1, 2, 3, 4, 5)


What are composite factors in a number?

The factors that are composite numbers, those that have more than two factors.


What are 3 numbers less than 50 that have exactly 2 factors?

All prime numbers less than 50 have exactly two factors. e.g. 2,3,5,7,11,13,17,19,23,29,31,37,41,43 & 47.


From 1 to 1000 which numbers have a odd number of factors?

There are 31 numbers less than 1,000 which have an odd number of factors. They are: 1,4,9,16,25,36,49,64,81,100,121,144,169,196,225,256,289,324,361,400,441,484,529,576,625,676,729,784,841,900,961.


What are the numbers less than 100 that also have 11 as a factors?

11,22,33,44,55,66,77,88,99


What whole numbers less than 50 has the most factors?

48


How many numbers less than 100 have 5 factors?

10,20,30,40,50,60,70,80,90


What do you think is the next number greater then 50 for which the sum of its proper factors is less than the number its self?

By some definitions prime numbers don't have proper factors. In other definitions, their only proper factor is 1. Either way, your answer is the next prime number after 50, which would be 53.

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