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Mathematics 16 Online
OpenStudy (anonymous):

ok so were trying to find out which group of numbers that are relatively prime. A 180 , 2312 B 120, 147 C 75, 112 D 75, 360 ok so were trying to find out which group of numbers that are relatively prime. A 180 , 2312 B 120, 147 C 75, 112 D 75, 360 @Mathematics

myininaya (myininaya):

A is not they have a common factor greater than or equal to 2 B i snot they have a common factor greater than or equal to 3 C maybe D is not they have a common factor greater than or equal to 5

myininaya (myininaya):

so since one them have to be it is C

OpenStudy (anonymous):

omg, thank you your awesome!!!(:

myininaya (myininaya):

relatively prime means the only common factor they have is 1

OpenStudy (anonymous):

yeds ik i was just too lazy to do it! LOL!

myininaya (myininaya):

A and D are easy A both of them are divisible by 2 >1 D both of them are divisible by 5>1

OpenStudy (anonymous):

mmmhm

myininaya (myininaya):

C i just added up the digits of each to see if the number was divisible by 3 and both were so the gcd of them is at least 3>1

OpenStudy (anonymous):

ok so the right answer is c right?

myininaya (myininaya):

yes i already told you it was ? do these explanations not explain it very well?

OpenStudy (anonymous):

no their fin thanks for the help

myininaya (myininaya):

i don't understand let me know if i need to explain

OpenStudy (anonymous):

i just said thanks

myininaya (myininaya):

ok i didn't know what fin meant

OpenStudy (anonymous):

ohh kk thankd for the help

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