Sievle — Daily Prime Puzzle

A whole number greater than 1 whose only divisors are 1 and itself.

✓ 2, 3, 5, 7, 11, 13 — prime.
✗ 4 = 2×2, 9 = 3×3, 15 = 3×5 — composite.

Guess today's hidden 5-digit prime in 6 tries. Every guess must itself be a real 5-digit number.

Target prime is 13691. You guess 13759 (also prime).

1

3

7

5

9

1, 3 right slot · 9 in target elsewhere · 5, 7 not in target

Same target 13691. You guess 13456 (composite — even).

1

3

4

5

6

green only for exact slot matches · maroon = no info
(note 6 stays maroon though it's in the target — you only earn that intel by guessing prime)

Today's secret prime has one extra structural property, revealed as a hint after your 3rd guess.

palindrome emirp all-odd digits distinct digits twin prime digit-sum prime

Two free checks below the keyboard let you test any number's primality without spending a guess.

Same prime for everyone, refreshing at midnight local time.