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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Priyadarshan Choursiya
ring with squarefree order is a cyclic ring. Every subring of a cyclic ring is a cyclic ring. Moreover, every subring of a cyclic ring is an ideal. A number is said to be square free if no prime factor divides it more than once, i.e., largest power of a prime factor that divides n is one. First few square free numbers are 1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 17, 19, 21, 22, 23, 26, 29, 30, 31, 33, 34, 35, 37, see attachment