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weeeeeb [17]
3 years ago
6

Determine the greatest common factor for the pair of numbers.

Mathematics
2 answers:
Mnenie [13.5K]3 years ago
4 0

Answer: C

<u>Step-by-step explanation:</u>

     28                 40

      ∧                   ∧

     4 7               4 10

     ∧                 ∧   ∧

    2 2              2 2 2 5

28: <u>2 * 2</u> * 7

40: <u>2 * 2</u> * 2 * 5

What do they have in common?  two 2s

GCF: 2 * 2 = 4


Eva8 [605]3 years ago
3 0

The greatest common factor is 4.  28 is not divisible by 16 and not divisible by 8.  40 is not divisible by 28.  28 and 40 are divisible by 4 however.  28 divided by 4 is 7.  40 divided by 4 is 10.  Therefore the answer is C.. 4

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