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Factors of 21 are 3 and 7 (21=3x7).

Factors of 35 are 5 and 7 (35=5x7).

Factors of 49 are 7 and 7 (49=7x7).

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Q: What are the factors for 21 35 and 49?

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1, 3, 7, 21 1, 5, 7, 35 1, 7, 49

The factors of 49 are: 1, 7, 49 The factors of 105 are: 1, 3, 5, 7, 15, 21, 35, 105

The GCF is 7.

The factors of 35 are: 1, 5, 7, 35 The factors of 49 are: 1, 7, 49

The common factors are: 1, 7

The common factors of 49 and 35 are: 1 and 7

The factors of 21 are 1, 3, 7, and 21. The factors of 49 are 1, 7, and 49.

Factors or 21 are: 1 3 7 21 Factors or 49 are: 1 7 49 Common factors of 21 and 49 are: 1 and 7

The average is 35. (21 + 35 + 49 (=105), divided by 3.)

The factors of 21 are: 1, 3, 7, 21 The factors of 49 are: 1, 7, 49 The factors of 63 are: 1, 3, 7, 9, 21, 63

Factors of 28: 1,2,4,7,14, and 28.Factors of 35: 1, 5, 7, and 35.Factors of 49: 1, 7, and 49.common factors: 1, 7.greatest of the common factors: 7 for 7>1 GCF of 28 35 and 49: 7.

The GCF is 7.

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