Question

what is the hcf of 20 and 60​

Answer 1

Step-by-step explanation:

H.C.F. stands for HIGHEST COMMON FACTORS

• Prime factors of 20 is

20 = 1*2*2*5

• Prime factors of 60 is

60 = 1*2*2*3*5

So between 20 and 60 common factors are: 1, 2,2,5

Therefore,

H.C.F. OF 20 AND 60 IS 1*2*2*5 = 20

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Answer 2

Answer:

20

Step-by-step explanation:

H. C. F stands for highest common factor.

so, HCF of 20 and 60 is 40 .

first we find the LCM of 20 and the LCM of 20 is

2,2,5 and then LCM of 60 is 2,3,2,5 then we find the HCF of 20 And 60 .and the HCF is 20.

Answer =20