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Mathematics 15 Online
OpenStudy (anonymous):

How many elements are in the group Z*403?(Note that 403 = 13*31.)

OpenStudy (fibonaccichick666):

What have you tried?

OpenStudy (misty1212):

i don't even know what \(\mathbb{Z}*403\) means

OpenStudy (anonymous):

@misty1212 if u r in Cs field it is in cryptography course number theory about group

OpenStudy (anonymous):

@misty1212 if u r in Cs field it is in cryptography course number theory about group

OpenStudy (misty1212):

i have never seen that notation before with the time sign

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