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Mathematics 18 Online
OpenStudy (anonymous):

How many congruence classes are there for an integer modulo n?

OpenStudy (anonymous):

or, how many congruence classes are there for an integer mod 7?

OpenStudy (tkhunny):

Are you sure it's not n and 7?

OpenStudy (anonymous):

no its just a general statement, either of the two. i mean generally, how many would there be for n number. would it be n-1 congruence classes or just n congruence classes?

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