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Which pair of numbers is relatively prime? OA) 5 and 75 OB) 12 and 51 O C) 7 and 20 OD) 15 and 21

Which pair of numbers is relatively prime? OA) 5 and 75 OB) 12 and 51 O C) 7 and 20 OD) 15 and 21
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15 votes
Which pair of numbers is relatively prime?

OA) 5 and 75
OB) 12 and 51
O C) 7 and 20
OD) 15 and 21

User Clyc
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1 Answer

5 votes
the answer is c. 7 and 10. this is because they share no factors other than 1.
User Rmhrisk
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