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Q: Is 3 a factor of 78?

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Factor tree: ............78 .........../..\ ..........2..39 ............../..\ ............3...13 78 = 2 x 3 x 13

The GCF is 3 because for factor for 78 is 1,2,3,6,13,26,39,78 and factor for 27 is 1,3,9,27 and they both have 3 in common so the answer will be 3

The GCF is 3.

The GCF of 78 and 87 is 3.

The GCF of 3, 76, and 78 is 1.

The greatest common factor of 99, 78, and 12 is 3.

78 / \ 3 26 / \ 13 2

Divide 78 by 1, 2, 3 and 6

78 = 13 x 3 x 2 Therefore, the greatest prime factor of 78 is 13.

It is: 3

The Greatest Common Factor (GCF) is: 3

A factor tree of 78: 78 6 x 13 (2x3) x 13 Since 2, 3, and 13 are prime numbers, the factor tree is complete.

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