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Q: What are the common factors of 21 and 64?

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Just one: 1

The common factors of 50 and 64 are: 1, 2

The common factors of 18 and 64 are 1 and 2.

The factors of 27 are 1,3,9, and 27 The factors of 64 are 1,2,4,8,16,32, and 64. 1 is the only common factor of 27 and 64.

Common factors of 84 and 64 are: 1, 2, and 4.

The common factors of 28 and 64 are: 1, 2, and 4

The common factors of 36 and 64 are: 1, 2, and 4

Since 8 is a factor of 64, all of its factors are common.

Common factors of 12 & 64 are 1, 2 and 4.

Factors of 64... 1,2,4,8,16,32,64 Factors of 66... 1,2,3,6,11,22,33,66 Common factors to both numbers.... 1 & 2.

Common factors of 24 and 64 are: 1, 2, 4, and 8.

The common factors of 64 and 72 are 1, 2, 4 and 8.

The factors of 64 are 1, 2, 4, 8, 16, 32, 64. For them to be common, they need to be compared to another set of factors.

64 is 2 to the sixth...

64 has factors: 1,2,4,8,16,32,64 42 has factors: 1,2,3,7,21,42 the only things they have in common are 1 and 2

The common factors are: 1, 2

The factors of 64 are 1, 2, 4, 8, 16, 32, 64 For them to be common, they need to be compared to another set of factors.

As an example the factors of 64 are 1, 2, 4, 8, 16, 32, and 64. Examples: The common factors of 9 and 64 are only 1; the greatest common factor is 1. The common factors of 48 and 64 are 1, 2, 4, 8, and 16; the greatest common factor is 16. The common factors of 64 and 100 are 1, 2, and 4; the greatest common factor is 4. Note that for common factors you need two or more numbers

The common factors of 16 and 64 are 1, 2, 4, 8, and 16.

The common factors of 16 and 64 are 1, 2, 4, 8, and 16

The factors of 4 are 1, 2, and 4. 4 is one of the factors of 64, so 1, 2, and 4 are also the common factors of 4 and 64.

The common factors of 21 42 and 84 are 21

The common factors of 21 and 42 are 1,3,7,21

The factors of 21 are 1,3,7, and 21. The factors of 70 are 1,2,5,7,14,35, and 70 The common factors of 21 and 70 are 1 and 7.

The common factors of 40 and 64 are: 1, 2, 4, and 8The highest common factor is 8.