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twelve, 1 x 12, 2x6, 3,4
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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.
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.
What whole number which is odd less than a hundred has the most factors as the even number?
There are four odd numbers less that 100 that have 6 factor. This does not compare with even numbers that have 12 factors!
What odd number less than a hundred has the most factors?
The most factors any odd number less than 100 has is 6. There are 4 numbers which have 6 factors:45, 63, 75 & 99.
Is the product of mixed numbers greater or less than their factors?
Products will be greater unless your number set includes a number less than 1.
What whole number less than 150 has odd number of factors?
There are 12 numbers less than 150 which have an odd number of factors: 1,4,9,16,25,36,49,64,81,100,121,144.
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.
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.
How can you determine if a number is prime or composite or neither by looking at its factors of the number?
Prime numbers have two factors. Composite numbers have more than two. Numbers with less than two are neither.
What are the three greatest whole numbers less than 200 such that each number has an odd number of factors?
The three greatest whole numbers less than 200 that each have an odd number of factors are 144, 169 and 196.
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.
What whole number which is odd less than a hundred has the most factors as the even number?
There are four odd numbers less that 100 that have 6 factor. This does not compare with even numbers that have 12 factors!
How many numbers which are less than 1000 have an odd number of factors?
Perfect squares have an odd number of factors. There are 31 perfect squares less than 1000.
What odd number less than a hundred has the most factors?
The most factors any odd number less than 100 has is 6. There are 4 numbers which have 6 factors:45, 63, 75 & 99.
Is the product of mixed numbers greater or less than their factors?
Products will be greater unless your number set includes a number less than 1.
Why is 1260 the lowest number with 36 factors?
Because all of the numbers less than 1260 have fewer factors.
What number less than 13 has the most factors?
1 is the number less than fifty with the fewest number of factors. All other numbers have at least two factors (1, and the integer itself).
