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Which of the following is a composite number?
a. 31
b. 49
c. 73
d. 109
Which pair of numbers is relatively prime?
a. 20 and 76
b. 25 and 65
c. 46 and 87
d. 63 and 117

Respuesta :

Hagrid
A composite number is number with factors that are made up of not just 1 and itself.

For the first question, the composite number is
b. 49

Relatively prime numbers are numbers which do not have common factors other than 1.

For the second question, the relatively prime numbers are
c. 46 and 87

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