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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 26 and 27 relatively prime numbers?
Yes.
Are all odd numbers relatively prime numbers?
No. For example: 9 and 27 are both odd but not relatively prime (they both have the factor 3).
Can two odd numbers be relatively prime?
Yes, e.g. 3 and 5 are relatively prime, 27 (33) and 25 (52) are relatively prime...
Are 15 and 27 relatively prime?
No, they are not relatively prime. They both have 3 as a common factor. 15 = 5 x 3 27 = 3 x 3 x 3
Are numbers 27 and 70 relatively prime?
NO!!! THey are composite numbers. However, they are the products of prime numbers. 27 = 3 x 3 x 3 & '3' is a prime number. 70 = 7 X 5 x 2 & '7' , '5' & '2' are prime numbers.
Is 27 and 70 a relatively prime?
No because they are both composite numbers
Are 27 and 15 prime numbers?
No, neither of them are.
Is 40 relatively prime?
One number, by itself cannot be relatively prime - or otherwise. Relative primality is a property of two (or more) numbers.
Is 13 15 17 19 21 23 25 27 29 prime numbers?
They are all prime numbers except for 15 21 25 and 27 which are composite numbers
Are 27 and 117 relatively prime?
No, they are not relatively prime.
Is 14 and 27 relatively prime?
Yes, they are relatively prime.
