Primality proof for n = 190234753:
<p>Take b = 2.
<p>b^(n-1) mod n = 1.
<p><a href=281.html>281 is prime.</a>
<br>b^((n-1)/281)-1 mod n = 78633124, which is a unit, inverse 99035464.
<p><a href=43.html>43 is prime.</a>
<br>b^((n-1)/43)-1 mod n = 71103006, which is a unit, inverse 7744215.
<p><a href=41.html>41 is prime.</a>
<br>b^((n-1)/41)-1 mod n = 7426095, which is a unit, inverse 182668958.
<p>(41 * 43 * 281) divides n-1.
<p>(41 * 43 * 281)^2 > n.
<p>n is prime by Pocklington's theorem.