Prime & Proud
67 appears in Pythagorean triples: (44, 483, 485) contains 67 as a factor of 483 (= 67 × 7.2... wait, no). But 67² = 4489!
Tap to reveal
Tap to reveal
Tap to reveal
Tap to reveal
Tap to reveal
Tap to reveal
Tap only when you see 67. Quick reflexes required!
Numbers will flash. Tap when you see 67. Don't tap on anything else!