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galina1969 [7]
3 years ago
14

Is 3 a common factor of 42 and 84

Mathematics
2 answers:
Georgia [21]3 years ago
8 0

Answer: Уеζф

Step-by-step explanation:ЫЭТЗЯоеЬЭРУ

cestrela7 [59]3 years ago
3 0

Answer: Yes, 3 is a common factor of 42 and 84.

We can see this by noticing that

42 = 3*14

84 = 3*28

Also we could use the divisibility by 3 rule which says to add up the digits of the values. So 42 would have 4+2 = 6 which is a multiple of 3. Similarly, 84 has us add 8+4 = 12 which is also a multiple of 3.

Side note: 3 is not the greatest common factor as that would be 42.

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