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The Maxima on-line user's manual

Algebra Calculator

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Inv_mod Calculator

Inv_mod

Function: inv_mod (<n>, <m>) Computes the inverse of <n> modulo <m>. inv_mod (n,m) returns false, if <n> is a zero divisor modulo <m>.

inv_mod(59,210);

          (%i1) inv_mod(3, 41);
          (%o1)                           14
          (%i2) ratsimp(3^-1), modulus=41;
          (%o2)                           14
          (%i3) inv_mod(3, 42);
          (%o3)                          false

(%o1)                                true
(%i2) 

Inv_mod Example

Related Examples

inv_mod-mod-ratsimp

inv_mod (3, 451631008...

ratsimp(3^-1), modul...

inv_mod(3, 42);

Calculate

inv_mod-mod

mod(151^35,437);

inv_mod(25,437);

Calculate

inv_mod-mod

inv_mod(127,179);

mod(32^3*148^2,179);

62^-2;

Calculate

inv_mod-mod

inv_mod(3120,17);

Calculate

inv_mod-mod

inv_mod(431,1373);

Calculate

inv_mod-mod-ratsimp

inv_mod(3, 41);

ratsimp(3^-1), modul...

inv_mod(3, 42);

Calculate

inv_mod-mod-power_mod

power_mod(11793079, 2...

mod(8018767^1,26);

power_mod(6050520, 2...

Calculate

inv_mod-mod

inv_mod(35,11);

Calculate

inv_mod-mod-power_mod

power_mod(66,173,323);

inv_mod(7,1560);

Calculate

inv_mod-mod

inv_mod(291,5);

Calculate