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2021-01-30 16:53:56 +0100 received badge  Student (source)
2010-12-10 02:31:05 +0100 asked a question Modular Help

Quick question. I know that the number of units + number of zero divisors + 1 = n for Z mod n. When n is the product of three distinct primes, how can I make the coding so Sage will return the number of zero divisors. I'm at a standstill and would appreciate any help. Thanks :]

2010-12-10 01:22:12 +0100 received badge  Supporter (source)