PPT-Prime numbers

Jordi Cortadella Department of Computer Science Prime number A prime number is a natural number that has exactly two distinct divisors 1 and itself 1 is not prime . & Prime Factorization. All About Primes. 1. Click to Advance. Suggestion:. Work with scratch paper and pencil as you go through this presentation.. The . Factors. of a Whole Number are:. All . the . Number Theory. Dr J Frost (jfrost@tiffin.kingston.sch.uk). www.drfrostmaths.com. Last modified: . 26. th. . November 2015. Objectives: . Have an appreciation of properties of integers (whole numbers), including finding the Lowest Common Multiple, Highest Common Factor, and using the prime factorisation of numbers for a variety of purposes. of . numbers. I. nvestigate the factors of the following numbers. Prime numbers are numbers that have exactly two different factors . ( no more / no less) They have 1 and themselves. No.. Factors. Prime. History, theories and applications. By Kim . Wojtowicz. Definition of a Prime Number. A Prime number is a number that has exactly 2 Distinct factors: itself and 1. . Smallest prime number is 2, it is also the only even prime number.. Terra Alta/East Preston School. “Home of the Eagles”. Definition. . Product. – An answer to a multiplication problem.. . 7 x 8 = 56. Product. Definition. . Factor. – a number that is multiplied by another to give a product.. Lesson . 3.01. After completing this lesson, you will be able to say. :. I . can. find the least common multiple of two whole numbers. .. I . can. find the greatest common factor of two whole numbers. There are many different ways that we can . categorise. /label/group . numbers.. What are some of the ways you that that we can categorise numbers?. Types of Numbers. There are many different ways that we can . &. Prime Factors. Jedward are selling some stationary at their . concert. . They want to sell a pack containing the same number of erasers and pencils, but they are coming from two different suppliers. Pencils come in packages of 18, erasers come in packages of 30. Jedward want to purchase the smallest number of pencils and erasers so that he will have exactly 1 eraser per pencil to see if their fans will buy them. How many packages of pencils and erasers will Jedward. NANDAN GOEL. HISTORY. THE STUDY OF SURVIVING RECORDS OF EGYPTIANS SHOW THAT THEY HAD KNOWLEDGE OF PRIMES.. THE GREEK MATHEMATICIAN . “. EUCLID PERFORMED. ”. SOME EXCEPTIONAL WORK .. HIS WORK . “. There is a rule for finding any prime (. eg. the . ). . There . is a way to find out how many primes are below any number (. eg. Number of primes below 1000). . There . is no end to the prime numbers. . This section contains proofs of two of the most famous theorems in mathematics: that is irrational and that there are infinitely many prime numbers. . Both proofs are examples of indirect arguments and were well known more than 2,000 years ago, but they remain exemplary models of mathematical argument to this day.. Terra Alta/East Preston . School. Eratosthenes. (ehr-uh-TAHS-thuh-neez). Eratosthenes was the librarian at. Alexandria, Egypt in 200 B.C. . Note every book was a scroll.. Eratosthenes. (ehr-uh-TAHS-thuh-neez). When Will I Ever Use Prime and Composite Numbers?. If you are baking cupcakes for a birthday party, you will be able to know if the amount you baked can be divided evenly between your friends. . Will you have leftovers? If it is a prime number, you know there will be leftovers!. What is a composite number?. Give an example of each.. Greatest Common Factor. Mr. . Haupt. CC.2.1.8.E.1. Greatest Common Factor. The Greatest Common Factor, or GCF, is the largest number that goes in to every number given..