Question

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Answer 1

$\huge{\mathcal{\purple{a}\green{n}\pink{s}\blue{w}\purple{e}\green{r}}}$

4)Greatest Common Factor of 5 and 12. Greatest common factor (GCF) of 5 and 12 is 1.

5)140

= 2×70

= 2×2×35

= 2×2×5×7

Therefore,

140 = 2×2×5×7

6)highest common factor (HCF) of 5 and 20 is 5.

______________

Answer 2

Answer:

$\huge{\mathcal{\purple{A}\green{n}\pink{s}\blue{w}\purple{E}\green{r}}}$

☞︎︎︎ greatest common factor of 5 and 12 is 1

☞︎︎︎

$\implies140 \\ \\ \implies2 \times 73 \\ \\ \implies2 \times 2 \times 35 \\ \\ \implies2 \times 2 \times 5 \times 7 \\ \\ \therefore \: 140 = 2 \times 2 \times 5 \times 7$

☞︎︎︎ highest common factor of 5 and 20 is 5

hope it helps uhh✍︎✍︎