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A factor is a divisor - a number that will evenly divide into another number.

One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them.

The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42.

The factors of 63 are 1, 3, 7, 9, 21, and 63.

The common factors are 1, 3, 7, and 21.

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Wiki User

14y ago
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Aarav Nandan

Lvl 1
2y ago
The common factors of 42 and 63 are 1, 3, 7, and 21.
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Wiki User

12y ago

The common factors are: 1, 3, 7, 21.

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Anonymous

Lvl 1
3y ago

factor of 42 and 63 is shown below.

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Q: What are the common factor of 42 and 63?
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