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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 13 has the fewest factors?
The prime numbers less than 13 have the fewest factors. They are:235711
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.
What number less than 50 has the fewest number of 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).
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.
What odd number less than hundred has 12 factors?
No odd number less than hundred has 12 factors other numbers which has 12 factors are 60, 72, 84, 90 and 96. But they all are even numbers. The answer will be different if you consider negative numbers, however.
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.
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.
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