--- In

primenumbers@yahoogroups.com,

"David Broadhurst" <d.broadhurst@...> wrote:

> 10 is not a primitive root of unity modulo any of

> the 40 consecutive primes beginning with 22588287443

10 is not a primitive root of unity modulo any of

the 45 consecutive primes beginning with 24124140487

n=45;p1=24124140487;

v=vector(n);p=p1;

for(k=1,n,v[k]=(p-1)/znorder(Mod(10,p));p2=p;p=nextprime(p+1));

print([n,p1,p2,v]);

[45, 24124140487, 24124141903,

[3, 2, 6, 2, 2, 90, 6, 3, 7, 4, 8, 3, 12, 4, 4,

2, 2, 9, 20, 6, 7, 2, 4, 2, 36, 42, 2, 2, 2, 2,

2, 2, 117, 10, 3, 15, 3, 4, 2, 2, 10, 2, 2, 2, 7]]

David