section 3.11. not what i had in mind. section 3.12
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Section 3.1 1
Section 3.1 2
Not what I had in mind.
Section 3.1 3
Section 3.1 4
Number X1 X2 X3 X4 X5 X6 X7
710
Section 3.1 5
100 would be divisible by 4,
but 102 doesn’t work.
Section 3.1 6
Prime and Composite NumbersA natural number that has exactly two different factors is called a prime number. The number 1 is not prime A natural number, other than 1,
that is not prime is composite.
Section 3.1 7
Every number has just one (unique) prime factorization.
Section 3.1 8
Homework:31 and 35 – you must justify how you got your answer (explain in words or show work)
37 and 43 – you must justify how you got your answer (explain in words or show work)
49, 53, 61, 63, 65, 73 – you must construct a factor tree, then answer by providing an equation. For example: 24 2 2 2 3
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