Truncatable primes: Difference between revisions
Content deleted Content added
Line 389:
{
while (n % 3 == 0 || n % 5 == 0 || n % 7 == 0) n -= 2;
if ((d =
{
while (d1 < n && d < (d = n % d1) && isP(d)) d1 *= 10;
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