Download - Section 5.1 Primes and Divisibility Rules
![Page 1: Section 5.1 Primes and Divisibility Rules](https://reader035.vdocuments.mx/reader035/viewer/2022070815/62c65cda9e6dab4b0d50e4ea/html5/thumbnails/1.jpg)
10/9/2013
1
Section 5.1 Primes and Divisibility Rules
Section 5.1 Primes and Divisibility Rules
![Page 2: Section 5.1 Primes and Divisibility Rules](https://reader035.vdocuments.mx/reader035/viewer/2022070815/62c65cda9e6dab4b0d50e4ea/html5/thumbnails/2.jpg)
10/9/2013
2
Section 5.1 Primes and Divisibility Rules
Divisibility Rules
A number is divisible by: if
10
5
2
Section 5.1 Primes and Divisibility Rules
Divisibility Rules
A number is divisible by: if
4
8
![Page 3: Section 5.1 Primes and Divisibility Rules](https://reader035.vdocuments.mx/reader035/viewer/2022070815/62c65cda9e6dab4b0d50e4ea/html5/thumbnails/3.jpg)
10/9/2013
3
Section 5.1 Primes and Divisibility Rules
Divisibility Rules
A number is divisible by: if
3
9
Section 5.1 Primes and Divisibility Rules
Divisibility Rules
A number is divisible by: if
6
10
![Page 4: Section 5.1 Primes and Divisibility Rules](https://reader035.vdocuments.mx/reader035/viewer/2022070815/62c65cda9e6dab4b0d50e4ea/html5/thumbnails/4.jpg)
10/9/2013
4
Section 5.1 Primes and Divisibility Rules
Section 5.1 Primes and Divisibility Rules
![Page 5: Section 5.1 Primes and Divisibility Rules](https://reader035.vdocuments.mx/reader035/viewer/2022070815/62c65cda9e6dab4b0d50e4ea/html5/thumbnails/5.jpg)
10/9/2013
5
Section 5.1 Primes and Divisibility Rules
Can you write 71 as a product
of two smaller numbers?
Section 5.1 Primes and Divisibility Rules
Write the following numbers as products of smaller
numbers other than one.
12
21
36
108
![Page 6: Section 5.1 Primes and Divisibility Rules](https://reader035.vdocuments.mx/reader035/viewer/2022070815/62c65cda9e6dab4b0d50e4ea/html5/thumbnails/6.jpg)
10/9/2013
6
Section 5.1 Primes and Divisibility Rules
Prime Numbers
A natural number greater than 1 is a prime
number if it cannot be expressed as a
product of two smaller natural numbers.
A natural number that is not prime is called composite
Section 5.1 Primes and Divisibility Rules
![Page 7: Section 5.1 Primes and Divisibility Rules](https://reader035.vdocuments.mx/reader035/viewer/2022070815/62c65cda9e6dab4b0d50e4ea/html5/thumbnails/7.jpg)
10/9/2013
7
Section 5.1 Primes and Divisibility Rules
The Prime Factorization of Natural Numbers
Every natural number greater than 1 is either a
prime number or it can be expressed as a product
of prime numbers.
Section 5.1 Primes and Divisibility Rules
Find the prime factorization of 2450.
Find the prime factorization of 360.
![Page 8: Section 5.1 Primes and Divisibility Rules](https://reader035.vdocuments.mx/reader035/viewer/2022070815/62c65cda9e6dab4b0d50e4ea/html5/thumbnails/8.jpg)
10/9/2013
8
Section 5.1 Primes and Divisibility Rules