Question

13 and 45 are co-prime number​

Answer 1

Answer: yes

Step-by-step explanation:13 is a prime number, it cannot be broken down to other prime factors;

45 = 32 × 5;

Calculate the greatest (highest) common factor (divisor), gcf, hcf, gcd:

Multiply all the common prime factors, by the lowest exponents.

But the two numbers have no common prime factors.

gcf, hcf, gcd (13; 45) = 1;

coprime numbers (relatively prime)

Coprime numbers (relatively prime) (13; 45)? Yes.

gcf, hcf, gcd (13; 45) = 1.

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Answer 2

13 is not but 45 is a coprime number.

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