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Hello.
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So let's look at the numbers 60 and 28.
00:05
So what numbers go into 60? well, looking at 60.
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If we do the prime factorization, so that's going to basically be what's based for part b, but what goes into 60? well, 60 is even.
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So we can definitely say 60 is going to be two times, two times 30, but then 30 is going to be, well, 50.
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15 times 2 and 15 is, well, 5 times 3.
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But then also, well, 4 times 2 goes into 60 and 6 goes into 60.
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So we add up all the divisors of 60.
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What do we have? we have 2 goes into 60.
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So we do 2 and then 3.
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So 2 plus 3.
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4 goes into 60.
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5 goes into 60.
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6 goes into 60.
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What else? 15 goes into 60, 30 goes into 60...