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primitive root of 11

Example 1. Primitive Root Calculator. Last Updated: 26-11-2019. Given a prime number n, the task is to find its primitive root under modulo n. Primitive root of a prime number n is an integer r between[1, n-1] such that the values of r^x(mod n) where x is in range[0, n-2] are different. Given that 2 is a primitive root of 59, find 17 other primitive roots of 59. $$2,2^5=6,2^7=11,2^{11}=7\mod{13}.$$ Here is a table of their powers modulo 14: Primitive Root Video. Then it turns out for any integer relatively prime to 59-1, let's call it b, then $2^b (mod 59)$ is also a primitive root of 59. 2^6 mod 11 = 9. 2^4 mod 11 = 5. Primitive Root Calculator-- Enter p (must be prime)-- Enter b . Start Here; Our Story; Hire a Tutor; Upgrade to Math Mastery. Email: donsevcik@gmail.com Tel: 800-234-2933; 2^3 mod 11 = 8. Primitive Root Calculator. 2^1 mod 11 = 2. 2^10 mod 11 does equal 1 so 2 has modulo order p-1 where p is a prime and so 2 is a primitive root of 11. b) q =11, n=2, Ya = 9. Previous question Next question Get more help from Chegg. 2^5 mod 11 = 10 . Finding Other Primitive Roots (mod p) Suppose that we have a primitive root, g. For example, 2 is a primitive root of 59. 2, 8, 7, 6 [reducing to modulo 11] The primitive roots are . $(*)$ There are $\varphi(12)=4$ primitive roots modulo $13$. We will find the primitive roots of 11. I.e. Example 1. So, verified. numbers are prime to 10. Then it turns out for any integer relatively prime to 59-1, let's call it b, then $2^b (mod 59)$ is also a primitive root of 59. the others are in positions whose position. For example, if n = 14 then the elements of Z n are the congruence classes {1, 3, 5, 9, 11, 13}; there are φ(14) = 6 of them. 11 has phi(10) = 4 primitive roots. These must therefore be. Since 2 is primitive root of 11, order of 2 is . Since F(F(11)) = F(10) = 4, we know that 11 has four primitive roots, and they are 2, … When primitive roots exist, it is often very convenient to use them in proofs and explicit constructions; for instance, if p p p is an odd prime and g g g is a primitive root mod p p p, the quadratic residues mod p p p are precisely the even powers of the primitive root. This means that 2 4 = 16 ≡ 5 (mod 11). Menu. For the index of a composite number, add the indices of its prime factors. primitive roots are there for 11. 2^2 mod 11 = 4. The primitive roots are 2;6;7;8 (mod 11). Now note all even powers of $2$ can't be primitive roots as they are squares modulo $13$. We know that 3, 5, 7, 11… Suppose that we have a primitive root, g. For example, 2 is a primitive root of 59. These are 8,7,and6. 2: 2,4,8,5,10,9,7,3,6,1 so 2 is a primitive root. More generally, if GCD(g,n)=1 (g and n are relatively prime) and g is of multiplicative order phi(n) modulo n where phi(n) is the totient function, then g is a primitive root of n (Burton 1989, p. 187). For example, in row 11, the index of 6 is the sum of the indices for 2 and 3: 2 1 + 8 = 512 ≡ 6 (mod 11). Hence $2$ has order $12$ modulo 13 and is therefore a primitive root modulo $13$. So has order 10 if and only if k =1, 3, 7, 9. Return -1 if n is a non-prime number. A more sophisticated approach: Once you have a primitive root a(mod 11), it’s a fact that the other primitive roots must be The index of 25 is twice the index 5: 2 8 = 256 ≡ 25 (mod 11). Remainder o view the full answer. For example, in row 11, 2 is given as the primitive root, and in column 5 the entry is 4. Given that 2 is a primitive root of 59, find 17 other primitive roots of 59. A primitive root of a prime p is an integer g such that g (mod p) has multiplicative order p-1 (Ribenboim 1996, p. 22). Also, by the corollary of theorem 8.6, we have when p is prime, it has primitive roots. Thus, primitive roots of 11 are (modulo 11) i.e. Let's test. First, recall an important theorem about primitive roots of odd primes: Let F denote the Euler phi function; if p is an odd prime, then p has F(F(p)) = F(p-1) primitive roots. Because .. to be a primitive root the remainder from 2^n with 11 or number watever should be like below .. To check, we can simply compute the rst ˚(11) = 10 powers of each unit modulo 11, and check whether or not all units appear on the list. Ya = (n^Xa) mod p = (2^Xa) mod 11 = 9. What power of 2 has modulo order 9 mod 11? Now, has order 10 if and only if .

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