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Best Answer

38 = 2 x 19 (notice that 19 has no smaller factors)

63 = 3 x 3 x 7

Since the two numbers (38 and 63) don't contain any of the same numbers there is no number that goes into both of them.

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Wiki User

11y ago
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Wiki User

9y ago

63 ÷ 3 = 21

84 ÷ 3 = 28

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Wiki User

9y ago

They are: 1 and 7

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Wiki User

8y ago

The highest common factor is 21

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Wiki User

14y ago

3 -Akilae

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Wiki User

7y ago

One.

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Wiki User

7y ago

1 and 19.

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Wiki User

7y ago

1 and 7.

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Anonymous

Lvl 1
4y ago

9 7 1 63 19 2

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Q: What goes into 38 and 57?
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