19^{21} \mod21

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`x`²	`x`^□	log_□	√☐	^□√☐	≤	≥	□□	·	÷	`x`^◦	π
(☐)^′	`ddx`	∂∂`x`	∫	∫_□^□	lim	∑	∞	`θ`	(`f` ◦ `g`)	`f`(`x`)

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19²¹mod 21

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19²¹ mod 21

Modulo Definition

a mod b is the remainder from the division of a by b

Simplify modulo expression

=16· 16· 19 mod 21

16· 16· 19=4864

=4864 mod 21

Find Remainder:

Long Division 486421 : 231 Remainder 13

=13

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−▭▭	<	7	8	9	÷	`AC`
+▭▭	>	4	5	6	×	☐☐☐
×▭▭	(	1	2	3	−	`x`
▭ \|▭	)	.	0	=	+	`y`

19^{21} \mod21

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