Lessons and Tools for Teachers

Lessons for Prime Numbers

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• Exploring Prime Numbers - … numbers. * Are all prime numbers odd? No, 2 is an even number and it is prime. * Are any other even numbers also prime numbers? No, because all even numbersnumbers. * Are all prime numbers odd? No, 2 is an even number and it is prime. * Are any other even numbers also prime numbers? No, because all even numbersnumbers. * Are all prime numbers odd? No, 2 is an even number and it is prime. * Are any other even numbers also prime numbers? No, because all even numbers
• Creative Factor Trees - … Numbers and Operations Grades 6-8: use factors, multiples, prime factorization, and relatively prime numbers to solve problems use factors, multiples, prime factorization, and relatively prime numbers … between the two numbers as well as see that prime numbers do not break down. This game notes prime numbers circled and composite numbers in a … : We multiply the prime numbers out which makes the original number)(Note: We multiply the prime numbers out which makes the original number) Explain to students …
• The Largest Known Primes - … perusal. The problem of distinguishing prime numbers from composite numbers and of resolving the latter into their prime factors is known to be one … number of excellent books published on primes and primality proving. Here are some of my favorite: P. Ribenboim, The new book of prime number … , Prime numbers and computer methods for factorization, Progress in Mathematics volume 126, BirkhÃ¤user Boston, 1994. R. Crandall and C. Pomerance, Prime numbers: a …
• Factors - … look at more numbers? T: A prime number is one that can be divided only by itself and the number 1. Finding prime numbers T: List all the factors of each of the following numbers. Decide which are prime numbers. 21, 23 … work with prime numbers ??' factor trees T: As you have seen, a number which is not a prime number, can be split into two numbers in …