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Earn +20 ptsQ: Are 15 and 27 relatively prime?
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I need to know which pair of numbers in relatively prime 10 and 21 or 12 and 54 or 15 and 27 or 21 and 38?
hcf(10, 21) = 1 ⇒ 10 & 21 relatively prime hcf(12, 54) = 6 ⇒ 12 & 54 not relatively prime hcf(15, 27) = 3 ⇒ 15 & 27 not relatively prime hcf(21, 38) = 1 ⇒ 21 & 38 relatively prime
Are 27 and 117 relatively prime?
No, they are not relatively prime.
Is 26 relatively prime?
It can be. 26 is relatively prime to 27. 26 is not relatively prime to 34.
Is 27 is a prime number?
It can be. 27 is relatively prime to 28.
Are numbers 27 and 70 relatively prime?
Yes, they are relatively prime.
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