Groups and FieldsHardDirect Products and Finite Abelian Groups ShareDirect Products and Finite Abelian Groups · Hard problemIs Z2×Z18×Z5\mathbb Z_2 \times \mathbb Z_{18} \times \mathbb Z_5Z2×Z18×Z5 isomorphic to Z6×Z30\mathbb Z_6 \times \mathbb Z_{30}Z6×Z30?ANo, they are not isomorphicBYes, both are isomorphic to Z6×Z30\mathbb Z_6\times\mathbb Z_{30}Z6×Z30CYes, both have exponent 303030DYes, since both have exactly 222 invariant factorsCheck Show answer Walk through it step by step Practice more like this Review this concept