Online Course Discussion Forum

I dont understand what congruent modulo means

 
 
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I dont understand what congruent modulo means
by Yuehan Duan - Monday, July 25, 2022, 3:11 PM
 
so for example one of the questions says 

Are 345345 and 543543 congruent modulo 1313? and i dont know what to do

 
Picture of Dr. Kevin Wang
Re: I dont understand what congruent modulo means
by Dr. Kevin Wang - Tuesday, July 26, 2022, 2:40 PM
 

It means: do they have the same remainder when divided by 13?