Zusammenfassung der Ressource
prime numbers
- the first 10 prime numbers are
- 2,3,5,7,11,13,17,23,29
- have exactly 2 factors.
- it can only be divided by 1 and itself
- 1 IS NOT A PRIME NUMBER
- IT IS A FACTOR OR A MULTIPLE
- you can use factor trees to find prime factors
- chose a factor pair of the numbers
- continue until both branches end with a prime number
- then circle all the prime numbers
- then write down all the circled
prime numbers putting in multiplication signs
- then multiple them