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The factors of 20 are 1, 2, 4, 5, 10, and 20.

The factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40.

The common factors of 20 and 40 are 1, 2, 4, 5, 10, and 20.

20 is the greatest common factor of 20 and 40.

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12y ago
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12y ago

1

1, 2

1, 3

1, 2, 4

1, 5

1, 2, 3, 6

1, 7

1, 2, 4, 8

1, 3, 9

1, 2, 5, 10

1, 11

1, 2, 3, 4, 6, 12

1, 13

1, 2, 7, 14

1, 3, 5, 15

1, 2, 4, 8, 16

1, 17

1, 2, 3, 6, 9, 18

1, 19

1, 2, 4, 5, 10, 20

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Wiki User

8y ago

The factors of 19 are:

1, 19

The factors of 40 are:

1, 2, 4, 5, 8, 10, 20, 40

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Wiki User

8y ago

The factors of 21 are: 1, 3, 7, 21
The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40

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Wiki User

7y ago

20-1,2,4,5,10,20

25-1,5,25

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

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10y ago

1, 2, 4, 5, 10, 20

1, 2, 4, 7, 14, 28

1, 2, 4, 5, 8, 10, 20, 40

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Wiki User

12y ago

Their factors are:

20: 1, 2, 4, 5, 10, 20

30: 1, 2, 3, 5, 6, 10, 15, 30

40: 1, 2, 4, 5, 8, 10, 20, 40

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10y ago

Factors of 20 are 1, 2, 4, 5, 10 and 20.

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11y ago

1, 2, 4, 5, 8, 10, 20, 40

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Q: What are the factors of 20 25 and 40?
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