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.
Yes. 1 and the number itself are factors of all numbers.
But you do know the factors of prime numbers. Every prime number has two factors: one and the number itself.
A prime number has exactly two factors, 1 and the number itself.
One and the number itself.
A prime number has two factors: one and the number itself. A prime number does not have any proper factors.
the proper factors are the factors of a number not including the number itself, or 1.
Yes. 1 and the number itself are factors of all numbers.
1 and the number itself. These two are always factors.
Any prime number, a prime number is a number of which the only factors are it and itself.
But you do know the factors of prime numbers. Every prime number has two factors: one and the number itself.
A prime number- the factors are 1 and itself. Composite numbers are numbers with more than 2 numbers.
Yes, prime numbers have factors. A prime number has only two factors(1 and itself).
A prime number has exactly two factors, 1 and the number itself.
One and the number itself.
Prime numbers have two factors. Prime squares have three factors. Square numbers have an odd number of factors but that number varies.
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.
A prime number has only two factors, one and the number itself. A composite number has more than two factors.