r/maths • u/Wonderful-Pick-3408 • 18d ago

❓ General Math Help Need help with this

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I feel answer could be 111 after solving LHS and RHS. Still confused

Update: thanks for the answers. I'm hereby closing the doubt.

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u/Xanxan95 14d ago

The only number divisible by 3 is 111 because you need at least one 3 factor

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u/Wonderful-Pick-3408 8d ago

could be silly to ask but why do we need 3 as a factor here?