answersLogoWhite

0


Best Answer

All composite numbers can be expressed as unique products of prime numbers. This is accomplished by dividing the original number and its factors by prime numbers until all the factors are prime. A factor tree can help you visualize this.

Example: 210

210 Divide by two.

105,2 Divide by three.

35,3,2 Divide by five.

7,5,3,2 Stop. All the factors are prime.

2 x 3 x 5 x 7 = 210

That's the prime factorization of 210.

User Avatar

Wiki User

10y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How do you find out the prime factors for a number?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How do you find the prime factors of a squared number?

The prime factors of a squared number are the prime factors, if any, of its square root.


Help you find out the factors of a prime number?

Any prime number has two factors: 1 and the number itself.


How do you no if a number is prime or not?

A number is prime when it only has one and itself as factors is prime. Therefore, to tell if a number is prime simply find it's factors. If it has more than two factors than it is not a prime number.


Find the prime factors of the number 24?

The prime factors of 24 are 2 and 3.


Would you rather find all the factors of a number or find all the prime factors of a number?

Once all the prime factors of a number have been found, the number of factors the number has and what they are can be found. I'd be finding the prime factors first before finding all the factors of a number, so I'd rather find all the prime factors as it means I can stop before I have to do more work in finding all the factors.


What is prime factorizasion?

Prime factorization is when you find all the prime factors of a number.


How do you do prime numbers?

A prime number is any number that only has one and itself as factors. Therefore, to tell if a number is prime simply find it's factors. If it has more than two factors than it is not a prime number.


How can numbers be prime?

A prime number is any number that only has one and itself as factors. Therefore, to tell if a number is prime simply find it's factors. If it has more than two factors than it is not a prime number.


What prime numbers?

A prime number is any number that only has one and itself as factors. Therefore, to tell if a number is prime simply find it's factors. If it has more than two factors than it is not a prime number.


How do you check if a number is prime or a composite number?

A number is prime when it only has one and itself as factors is prime. Therefore, to tell if a number is prime or composite simply find it's factors. If it has more than two factors than it is not a prime number, it is composite.


How do you find the factors of 5?

Five has no even factors and is therefore a prime number. 5 is a prime number. Its only factors are one and itself.


How do you test a number to see if it is a prime number?

A prime number is any number that only has one and itself as factors. Therefore, to tell if a number is prime simply find it's factors. If it has more than two factors than it is not a prime number.