What is the greatest common factor of 40, 20, and 30?

  • matematika

    Subject:

    Math
  • Author:

    amani
  • Created:

    1 year ago

Answers 2

Step-by-step explanation:

HCF OF 20 30 and 40 by listing common factors :-

factors of 20 -  1,2,4,5,10,20

factors of 30 - 1,2,3,5,6,10,15,30

factors of 40 - 1,2,4,5,8,10,20,40

There are 4 common factors

i.e, 1,2,5 and 10

therefore,

the greatest common factor of 40,20 and 30 is 10

Answer:

∴ Greatest common factor of [tex]40,20[/tex] and [tex]30[/tex] is [tex]10[/tex].

Step-by-step explanation:

  • In context with question asked,
  • We have to find the greatest common factor of [tex]40,20[/tex] and [tex]30[/tex].
  • To find greatest common factor, we have to first find factors of given numbers.
  • So, the factors are,

       Factors of [tex]40=1,2,4,5,8,10,20,40[/tex]

       Factors of [tex]20=1,2,4,5,10,20[/tex]

       Factors of [tex]30=1,2,3,5,6,10,15,30[/tex]

  • We can see that, the greatest common factor is [tex]10[/tex].
  • ∴ Greatest common factor of [tex]40,20[/tex] and [tex]30[/tex] is [tex]10[/tex].

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