SOLUTION: can you show me step by step how to do these problems i have the answers but i don't know how they got them. Problem#1 List all the factors of 45. Show work Problem#2 List

Question 70620: can you show me step by step how to do these problems i have the answers but i don't know how they got them.
Problem#1
List all the factors of 45. Show work
Problem#2
List all the prime numbers between 25 and 60. Show work

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
List all the factors of 45. Show work
Prime numbers are 2,3,5,7,11,13,17,19...etc
find the smallest prime that divides 45 evenly:
it is not 2; it is 3
Dividing by 3 you get 15
Find the smallest prime that divides 15 evenly:
it is not 2; it is 3
Dividing 15 by 3 you get 5 which is a prime.
So, 45 = 3*3*5
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Problem#2
List all the prime numbers between 25 and 60. Show work
29,31,37,etc.
Find numbers that can only be divided by 1 and themselves.
---------------
Cheers
Stan H.
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