Which of the following statements is true about 63 and 20?
They are relatively prime.
They have more than one common factor.
They each have a factor of 4.
They are both prime numbers.
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OpenStudy (anonymous):
so which one is it then
OpenStudy (anonymous):
if i cant reduce it
OpenStudy (confluxepic):
You have to find what both the numbers have in common.
OpenStudy (confluxepic):
Do you know what prime is.
OpenStudy (confluxepic):
Prime numbers are numbers that only have one factor which is 1 itself.
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OpenStudy (anonymous):
k
OpenStudy (anonymous):
so its both
OpenStudy (confluxepic):
So do 63 and 20 only have 1 as a factor.
OpenStudy (confluxepic):
No they don't.
OpenStudy (confluxepic):
Is 63 divisible by 4.
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OpenStudy (anonymous):
no
OpenStudy (confluxepic):
No 63 is odd. It can be divisible but 4 cannot be a factor.
OpenStudy (confluxepic):
Now tell me the factors of 63.
OpenStudy (confluxepic):
Factors are whole numbers that a number can be divided into.
OpenStudy (anonymous):
1 i think
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OpenStudy (anonymous):
i dont get it
OpenStudy (confluxepic):
No 63 can be divided by 1, 3, 7, 9, 21, and 63.
OpenStudy (confluxepic):
20 can be divided by 1, 2, 4, 5, 10, and 20.
OpenStudy (confluxepic):
They both have multiple factors.
OpenStudy (anonymous):
k and
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OpenStudy (confluxepic):
None of them are the same except for 1.
OpenStudy (anonymous):
ok
OpenStudy (confluxepic):
Since you eliminated all the other choices you get one answer.
OpenStudy (confluxepic):
They are both relatively prime.
OpenStudy (anonymous):
so d
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OpenStudy (anonymous):
ok sorry i just dont get but now i do sorry for yur trouble