Chinese reminder theorems same residue

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Suppose in chinese reminder theorem all residue are the same. $$x \equiv a \mod m_1\\ x \equiv a \mod m_2\\ x \equiv a \mod m_3\\ ...\\ x \equiv a \mod m_n$$

Does it mean $ x \equiv a \mod lcm(m_1,m_2,..,m_n)$?
If not, in which cases does?
For exampe if
$$x = -1 \mod 2\\ x \equiv -1 \mod 3\\ x \equiv -1 \mod 4\\ x \equiv -1 \mod 5\\ x \equiv -1 \mod 6\\ $$ concludes $x \equiv -1 \mod 60$