Find the common factors of (a) 20 and 28 (b) 35 and 40
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Answer:
a. There are 3 common factors of 20 and 28, that are 1, 2, and 4.
There are 3 common factors of 20 and 28, that are 1, 2, and 4.b. There are 2 common factors of 35 and 40, that are 1 and 5. Therefore, the highest common factor of 35 and 40 is 5.
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Answer:
a) 20 b) 28 c) 35 d) 40
Step-by-step explanation:
a) 20= 2×2×5= common factor 2
b) 28= 2×2×7=common factor 2
c) 35= 5×7 = no common factor
d) 40= 2×2×2×5 common factor 2
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