Q. Find the order of group G= <Z20*, x>

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Q. Find the order of group G= <Z7*, x>

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Q. “In the group G = <Zn*, ×>, when the order of an element is the same as order of the group (i.e. f(n)), that element is called the Non – primitive root of the group.”

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Q. In the order of group G= <Z20*, x>, what is the order of element 17?

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Q. 1 2 3 4 5 6 7 order7. The order of group G= <Z9, x> , primitive roots of the group are –

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Q. Which among the following values: 17, 20, 38, and 50, does not have primitive roots in the group G = <Zn*, ×>?

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Q. Find the number of primitive roots of G=<Z11*, x>?

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Q. Find the primitive roots of G=<Z11*, x>?.

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Q. “If a group has primitive roots, it is a cyclic group”

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Q. Find the primitive roots of G = <Z10*, ×>.

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Q. “The group G = <Zp*, ×> is always cyclic.”

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Q. gcd( 18,300) =

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Q. ᶲ(37)=

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Q. ᶲ(35)=

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Q. What is the period of 7^m mod 19?

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Q. ᶲ(19)=

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Q. What is the period of 11 (mod 19)

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Q. What is the period of 17 (mod 19)

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Q. What is the period of 9 (mod 19)

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Q. How many primitive roots does Z<19> have?

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