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Heres an example...
15 and 35
what goes into 15? what goes into 35
3 x 5 7x5
so the prime factors for 15 are 3 and 5 and 35 they are 7 and 5.
so the greatest common factor is 5.
and the prime factorization is 3x7x5^2(squared)
Wiki User
∙ 12y ago
Wiki User
∙ 8y agoUse two factor trees.
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How do you find out which one are the prime numbers?
Prime numbers have only two factors.
To find weather the given no is prime or not?
Prime numbers have two and only two factors. If the number has more than two factors, it is not prime.
What are the prime numbers and conposite?
Prime numbers have only two factors whereas composite numbers have more than two factors
How do you find the continuous composite numbers?
Composite numbers have more than two factors whereas prime numbers have only two factors.
How you find sum of prime numbers?
Prime numbers have only two factors which are themselves and one and they add up in the same way as composite numbers which have more than two factors
What numbers or prime?
All numbers that only have one and itself as factors are 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.
How do you find prime factorization of number?
Composite numbers have more than two factors some of which are prime factors but prime numbers themselves have only two factors. A prime number has only 2 factors which are itself and one A composite number has more than 2 factors
What prime numbers are prime number?
All numbers that only have one and itself as factors are 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.
What are not examples of prime numbers?
Numbers that have more than two factors are not prime numbers because prime numbers have only two factors.
Does all of the prime numbers have two factors?
Yes, all prime numbers have only two factors
How many factors does a prime?
Prime numbers have two factors.
Which of the numbers is prime?
All numbers that only have one and itself as factors are prime. Therefore, to tell if a certain number is prime simply find it's factors. If it has more than two factors than it is not a prime number.
