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# What number has only one prime factor?

Updated: 4/28/2022

Wiki User

13y ago

No Prime number only has one factor. Each prime number has itself and 1 as factors.

Now, the number 1 of course has only one factor, but it is technically not a prime number.

Wiki User

14y ago

Wiki User

13y ago

A prime number.

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Q: What number has only one prime factor?
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### Why a prime number cannot be written as a product of prime factors?

A prime number has only one prime factor, and that prime factor is the number itself.

### Which prime number has one factor?

By definition, all prime numbers have exactly two factors. There is not a prime number that has only one factor.

### What do you called a number with only one factor?

prime * * * * * No, the only number with just one factor is 1. Each prime has TWO factors: 1 and the prime itself.

### How you know that 2 is a prime factor?

2 is a prime number because its only factors are one and itself. Since 2 is a prime number, if it is a factor of your number, it is a prime factor.

### What are the factors and prime factors of 103?

103 is a prime number. The only two factors of a prime number are 1 and itself. The only factor pair of 103 is 1 x 103. There is only one factor pair of a prime number. The proper factors of 103 are only 1 or, if the definition you are using excludes 1, there are none. The only prime factor of 103 is 103. There is only one prime factor of a prime number - itself. The distinct prime factor (listing each prime factor only once) of 103 is also 103.

prime number

### What is the name of a composite number with only 1 prime factor?

Squares (or cubes or more) of prime numbers have one distinct prime factor, but if you're counting them individually, all composite numbers have at least two prime factors.

### What prime number have only in factor?

Prime numbers have only two factors, one and the number itself.

### What is a positive integer with only one factor?

The positive integer with only one factor is 1.

### Is the number one a prime factor?

No 1 it is not a prime number. The definition of a prime number is that it can only have factors of one and itself. Since one already has one then it can not be a prime number.

### 1 is not a prime number because it has only one factor. explain?

I think you already did. Prime numbers have exactly two factors. 1 is not a prime number because it has only one factor.

### How old is someone with the 1 factor and is not a prime number?

The only number with one factor is 1.