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The prime factors of 20 are 2, 2, and 5.

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Q: Which factors of 20 are prime numbers?
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Related questions

What are all the prime numbers of 20?

The prime factors of 20 are 2x2x5.


What numbers below 20 have 2 factors?

A number will always have 1 and itself as factors. And thus the only numbers with 2 factors will be prime numbers. The only prime numbers below 20 are 2, 3, 5, 7, 11, 13, 17 and 19, and thus these are the only numbers below 20 that have 2 factors.


How many prime numbers does 20 have?

20 has two prime factors which are 2 and 5


What are the HCF of 15 and 20?

To find the HCF, you first have to express both numbers as the product of their prime factors: 15 = 3x5 20 = 2x2x5 The next step is to identify any common prime factors. In this case both numbers have a 5 as a prime factor. Therefore the HCF of 15 and 20 is 5.


Does 20 have exactly 3 prime numbers?

The prime factorization of 20 is 2 x 2 x 5. That's three prime factors; two distinct prime factors.


What is the prime numbers of 20-30?

Prime numbers only have factors of 1 and themselves: 23, 29


What are the prime factors between 20 and 30?

Prime numbers between the given numbers are 23 and 29


What two prime numbers are factors of 20 30 40 50 60?

20 and 2


What are the prime factors and prime factorization?

All numbers have factors. Some factors are prime numbers. These are prime factors. A factor string where all the factors are prime numbers is called a prime factorization.


What is prime factors of a number mean?

All non-zero numbers have factors. Some factors are prime numbers. Prime factors are factors that are prime numbers.


What are the prime factors between 20 and32?

23, 29 and 31 are the prime numbers in that range.


Which numbers are prime factors?

Prime numbers are prime factors.


What is the difference between prime factors and prime factorization?

Prime factors are prime numbers that are multiplied with other numbers (taht could possibly be prime) to make a product. Prime factorisation is the process of finding the prime numbers that create another number when they are multiplied together. Example of Prime Factorisation: 20 2x10 2x2x5 The prime factors found are 2,2, and 5. When multiplying these together, you will get 20. The process of finding these prime numbers is called factorisation.


How you get the prime factors of the number?

Well say the number was 10 you find the factors (1,2,5,10) then out of those numbers you pick the prime number/s 2 and 10. For 20 , the factors are 1,2,4,5,10 and 20 so the prime factors are 2, and 5 again


Is twenty prime or composite?

Twenty is composite. It has the factors 1, 2, 4 ,5, 10, and 20. Prime numbers have exactly two factors. Composite numbers have three or more.


What are com man prime factors?

All numbers have factors. Some factors are prime numbers. These are known as prime factors. Some numbers have some of the same prime factors as other numbers. These are known as common prime factors. 3 is a common prime factor of 12 and 15.


What are the prime factors of the numbers from 1 to 15000?

The set of prime factors of the numbers from 1 to 15,000 would be the set of prime numbers between 1 and 15,000. The link below has a list of the first 10,000 prime numbers, so if you take the primes less than 15,000, you will have the set of prime factors of the first 15,000 numbers. For prime factors of individual numbers, check the related question, "What are the prime factors of the numbers from 1 to 200?" Also check for WikiAnswers questions in the form of "What are the prime factors of __?" and "What are the factors and prime factors of __?"


What us a common prime factor?

All numbers have factors. Some factors are prime numbers. These are known as prime factors. Some numbers have some of the same prime factors as other numbers. These are known as common prime factors. 3 is a common prime factor of 12 and 15.


What does prime factors mean in maths?

All numbers have factors. Some factors are prime numbers. These are known as prime factors.


What is the definition of prime factors in maths?

All numbers have factors. Some factors are prime numbers. These are known as prime factors.


Which numbers between 20 and 30 have the least number of factors?

23 and 29 because they are prime numbers


What are prime factors numbers?

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.


What is the prime factor between 10 and 20?

The prime factors of 10 and 20 are 2 and 5. The prime numbers between 10 and 20 are 11, 13, 17 and 19.


What is the HCF of 20 and 12?

To work this out, you need to write both numbers as their prime factors: 20 = 2x2x5 12 = 2x2x3 The next step is to identify any common prime factors. In this case both numbers have two 2s as prime factors. Multiply these together and you get 4. Therefore 4 is the HCF of 20 and 12.


What are prime common factors?

All numbers have factors. Some numbers have some of the same factors as other numbers. These are known as common factors. Some common factors are prime numbers. These are known as common prime factors.