Any Prime number has two factors: 1 and the number itself.
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.
prime numbers
Prime numbers are used to find the product of the prime factors of composite numbers.
Factor it. Prime numbers have two factors, composite numbers have more than two.
All composite numbers have prime factors and these are used to find the highest common factor of 2 or more numbers and they are also used in finding the lowest common multiple of 2 or more numbers. Composite numbers have 2 or more factors while prime numbers have only 2 factors which are themselves and one
Composite numbers are numbers greater than 1 that have more than two factors. Relatively prime numbers are numbers that have no common factors other than 1. Therefore, to find 3-digit composite numbers that are relatively prime, we need to look for numbers that are composite and have no common factors. An example of such a pair of 3-digit composite numbers that are relatively prime would be 119 and 143.
prime numbers
Prime numbers are used to find the product of the prime factors of composite numbers.
By factoring them. Prime numbers have only two factors. Composite numbers have three or more.
Composite numbers have more than two factors whereas prime numbers have only two factors.
Factor it. Prime numbers have two factors, composite numbers have more than two.
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, otherwise it is composite.
Factor it. Prime numbers have two factors, composite numbers have more than two.
to find a prime number, you need to find the factors for the numbers. once you have found the factors, you can determine which are prime. if the number only has 2 factors,1 and itself, it is prime. all other numbers are composite, except for 1. 1 is special. 1 only has one factor, 1.
it means to find out if the number is composite or prime
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
All composite numbers have prime factors and these are used to find the highest common factor of 2 or more numbers and they are also used in finding the lowest common multiple of 2 or more numbers. Composite numbers have 2 or more factors while prime numbers have only 2 factors which are themselves and one
Factor it. Prime numbers have two factors, composite numbers have more than two.