I DARE you to list the primes in this set of numbers: 169, 1169, 2169, 3169, 4169, 5169, 6169, 7169, 8169, 9169! I'll be a fan of you if you answer correctly!!

Question

btaylor · Answer

only 3169 is prime.

anonymous · Answer

Here is the list
{{169, False}, {1169, False}, {2169, False}, {3169, True}, {4169, 
  False}, {5169, False}, {6169, False}, {7169, False}, {8169, 
  False}, {9169, False}}

anonymous · Answer

Here are the prime factorization of your list
$$
\left(
\begin{array}{cc}
 169 & 13^2 \
 1169 & 7^1 167^1 \
 2169 & 3^2 241^1 \
 3169 & 3169^1 \
 4169 & 11^1 379^1 \
 5169 & 3^1 1723^1 \
 6169 & 31^1 199^1 \
 7169 & 67^1 107^1 \
 8169 & 3^1 7^1 389^1 \
 9169 & 53^1 173^1 \
\end{array}
\right)
$$