PPT-Factors, Prime Numbers & Composite Numbers

by Carol Edelstein 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 7 x 8 56. & 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 . Year 6 – Autumn 1. I know the multiplication and division facts for all times tables up to 12 × 12 .. Top Tips. The secret to success is practising . little. and . often. . Use time wisely. Can you practise these KIRFs while walking to school or during a car journey? You don’t need to practise them all at once: perhaps you could have a fact family of the day. If you would like more ideas, please speak to your child’s teacher.. 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.. Remember to Silence Your Cell . Phone and Put It In Your Bag!. Definition of Prime and Composite Numbers. A natural number that has exactly two distinct (positive) factors is called a . prime. . number. sit down. get . out homework. &quietly work on . bellringer. Solve. -4^2 (-2)^3 (-3)^4. Solve. -4^2 (-2)^3 (-3)^4. -16. -8. 81. Get papers . sit down. get . out homework. &quietly work on . 2/23/17. Review!. How . do we decide when a number is prime or composite?. How do we use factor trees?. How do we find and use all primes less than 100?. Today We’ll Discuss. What are the divisibility tests . &. 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. Use the beans to find factors of 24. Count out 24 beans. We know that products can be illustrated using a rectangular model. Make a rectangle using the beans. What are the numbers you multiply to get 24?. Learning Goals. We will use our divisibility rules so that we can decompose numbers into prime factors.. We’ll know we understand when we can identify the prime factors that are used to form a number.. 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. . What’s a Prime Number?. Lots of definitions out there. My Favorite (recursive): . “an integer greater than 1, that is not divisible by any smaller primes”. Note: The above is equivalent to (but feels less restrictive than) the more standard: . Daniel . FreemaN. , SLU. Old school codes. Full knowledge of the code is needed to both encrypt messages. and to decrypt messages.. The code can only be used between a small number of trusted people.. In the case of a composite, the reinforcement is the . fibres. and is used to fortify the matrix in terms of strength and stiffness.. The reinforcement . fibres. can be cut, aligned, placed in different ways to affect the properties of the resulting composite..