Number Theory · Chapter 4 of 11

Modular arithmetic

12 curated · 5 from open sources · 196.6 million generated

Practice

196.6 million

Endless problems made on demand, each with an exactly computed answer. Every click is a new one.

#	Title	Difficulty	Source	Tags
579	A big power mod fiveModular arithmetic	Easy	Lemma	Modular arithmetic
580	A linear congruenceModular arithmetic	Easy	Lemma	Modular arithmetic
581	Two remainders at onceModular arithmetic	Easy	Lemma	Modular arithmetic
582	Last digit of a power of threeModular arithmetic	Easy	Lemma	Modular arithmetic
585	Squares mod sevenModular arithmetic	Easy	Lemma	Modular arithmetic
61	One more than a common multipleRemainders	Medium	Lemma	Least common multipleRemainders
583	Fermat's little theoremModular arithmetic	Medium	Lemma	Modular arithmetic
584	Wilson's theoremModular arithmetic	Medium	Classical	Modular arithmetic
1368	Remainders with 39 and 56Modular arithmetic	Medium	Hall & Knight	Modular arithmeticChinese remainder theorem
1785	General form of remaindersModular arithmetic	Medium	Hall & Knight	Chinese remainder theoremModular arithmetic
1786	Smallest integers with given remaindersModular arithmetic	Medium	Hall & Knight	Chinese remainder theoremModular arithmetic
59	A giant power, tamedModular arithmetic	Deep	Lemma	Fermat's little theorem

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