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Q: Numbers whose factors are one and itself?

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Prime numbers only have one and itself as factors.

Numbers whose factors only include one and themselves are called Prime numbers.

They are called Composite Numbers.

A number that has only 2 factors is a prime number whose factors are itself and one and the 1st five prime numbers are: 2 3 5 7 and 11

They are: 1*29 = 29 because 29 is a prime number whose only factors are itself and one

No, those are prime numbers.

One and the number itself.

prime number

71 is prime. Its only factors are one and itself.

Composite numbers have one or more factors that are not 1 and itself.

prime numbers

they help you know whick numbers are prime meaning its only factors are itself and one and which numbers have more factors than itself and 1.

Yes and they are itself and one

Prime numbers have those factors.

Two, one and itself.

Prime factors of numbers are small numbers that the bigger (original) number can divide by. The prime factors have to be prime. This means they only have two factors, itself and one.

A factor is a number that can evenly be divided into another number. Any number can be divided by one and itself. Numbers that can only be divided by one and themselves are called prime numbers. The number one and the number itself are factors of the number.Hence its factors are 1 and 3 itself.

Itself and one because prime numbers have only two factors

That's a composite number.

37 is a prime number whose factors are itself and one

13 is a prime number whose only factors are itself and one

But you do know the factors of prime numbers. Every prime number has two factors: one and the number itself.

A composite number is a number that has factors other than 1 and itself. Assuming that you are not including the numbers 25 and 35. Prime numbers are numbers whose only factors are itself and one, so if you find the prime factors of each number: 26 factors to 2, 13 27 factors to 3,3,3 28 factors to 2,2,7 29 prime 30 factors to 2, 3, 5 31 prime 32 factors to 2,2,2,2,2 33 factors to 3, 11 34 factors to 2, 17.

It is 11 which is a prime number whose factors are itself and one

No because 137 is a prime number whose only factors are itself and one