Who’s the smartest at math,and can you help me for 10 points?

what is the laest common factor of 10,12,and15

what is the least common factor of 5,,9,,,,and 15

what is the least common factor of 7,14,and 42

what is the least common factor of 25,28,and,30

what is the least common factor of 21, 48,and 49

Top 2 Answers

A few days ago

Cathy G

Favorite Answer

Do you mean greatest common factor?

10, 12, 15: 1 (but this one doesn’t really count, so…)

5, 9, and 15: 1

7, 14, 42: 7

25, 28, 30: 1

21, 48, 49: 1

I think you might be talking about least common multiple, in which case…

10, 12, 15: 60

5, 9, 15: 45

7, 14, 42: 42

25, 28, 30: 2100

21, 48, 49: 2352

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