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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?
Wiki User
∙ 7y ago
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.
Wiki User
∙ 7y ago
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Do all numbers have factors?
Yes. 1 and the number itself are factors of all numbers.
How do you figure out prime numbers not knowing there factors?
But you do know the factors of prime numbers. Every prime number has two factors: one and the number itself.
Do prime numbers have an odd number of factors?
A prime number has exactly two factors, 1 and the number itself.
What are the factors of any prime numbers?
One and the number itself.
How are factors and prime numbers related?
Whether a number is a prime number or not is determined by its factors. It is a prime number if its only factors are 1 and itself.
What numbers do not include the number itself?
the proper factors are the factors of a number not including the number itself, or 1.
Do all numbers have factors?
Yes. 1 and the number itself are factors of all numbers.
What is two numbers that are factors of a number?
1 and the number itself. These two are always factors.
What numbers has only 2 factors?
Any prime number, a prime number is a number of which the only factors are it and itself.
How do you figure out prime numbers not knowing there factors?
But you do know the factors of prime numbers. Every prime number has two factors: one and the number itself.
What is the name for a whole number that has exactly to factors?
A prime number- the factors are 1 and itself. Composite numbers are numbers with more than 2 numbers.
Do prime numbers have factors?
Yes, prime numbers have factors. A prime number has only two factors(1 and itself).
Will you get the same number of factors if you multiply a prime number and itself?
Prime numbers have two factors. Prime squares have three factors. Square numbers have an odd number of factors but that number varies.
Do prime numbers have an odd number of factors?
A prime number has exactly two factors, 1 and the number itself.
What are the factors of any prime numbers?
One and the number itself.
Is there a number which has no factors?
A prime numbers has no positive integer factors except itself and 1. The number 1 has only itself as a factor. The number 0 has no factors at all.
What are compossite numbers and prime numbers?
A prime number has only two factors, one and the number itself. A composite number has more than two factors.
